A kind of hydraulic butterfly valve system with excellent heat dispersion performance
Technical field
The present invention relates to valve field, be specifically related to a kind of hydraulic butterfly valve system with excellent heat dispersion performance.
Background technology
Hydraulic butterfly valve is the one of butterfly valve, hydraulic butterfly valve code insurance die mould, locking-typed and accumulating type three kinds.It is applicable to exit of pump
With on the entrance pipe of the hydraulic turbine, as cut-off valve and check-valves, it is used for avoiding and reducing refluence and the product of pipe-line system medium
Raw excessive water attack, to protect pipe-line system.In recent years, have some to be applicable to the hydraulic butterfly valve of small flow system the most in succession to be ground
Issue, and can use as regulation valve.
If by hydraulic butterfly valve with making adjustments valve, it is necessary for solving the problem of valve location precision, and configuration aspects can not mistake
In complexity to facilitate the integrated use of mini system.
Ferromagnetic crstal is under the excitation of externally-applied magnetic field, and its length and volume all can change, after externally-applied magnetic field excitation is removed,
Its size returns to again original phenomenon, referred to as magnetostrictive effect.Ultra-magnetic telescopic pump is to utilize giant magnetostrictive material outside
Add the mechanism that dilatation can occur in magnetic field, make pump chamber produce change, form one-way flow and the pump action of liquid,
It is accurate that it has flow-control, and volume is little, advantages of simple structure and simple.
Summary of the invention
For the problems referred to above, the present invention provides a kind of hydraulic butterfly valve system with excellent heat dispersion performance.
The purpose of the present invention realizes by the following technical solutions:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance, is characterized in that, including valve casing, spool, rotating shaft, weight, liquid
Cylinder pressure and oil feed pump, described spool is one-body molded with rotating shaft, and spool is arranged in valve casing, and weight passes through connecting rod phase vertical with rotating shaft
Even, when oil feed pump decompression, it is automatically switched off hydraulic butterfly valve;Hydraulic cylinder is connected with described connecting rod by drive rod, described hydraulic cylinder
By oil feed pump fuel feeding;During the work of this hydraulic butterfly valve, Driven by Hydraulic Cylinder drive rod moves, and then spool is rotated in valve casing,
Hydraulic butterfly valve is turned on or off;
Preferably, in described hydraulic cylinder, the range of piston is more than the difference of drive rod and the highest and minimum altitude of rod connection point.
Preferably, the internal face of described valve casing is provided with rubber sealant, the surface of described rubber sealant is additionally provided with one
The wearing layer that layer nylon is made.
Preferably, oil feed pump is ultra-magnetic telescopic pump, and described ultra-magnetic telescopic pump entirety is vertically-mounted, including the pump housing, super mangneto
Extension stem, output shaft, piston component, check valve assembly, pressing means, end cap, driving coil, indirect cooling system and emergent
Cooling system, the pump housing includes inner pump and the outer pump housing, forms the cooling chamber of annular between inner pump and the outer pump housing;Driving coil holds
Being contained in the inner chamber of inner pump, giant magnetostrictive rod is arranged on the axis driving coil;The lower end of output shaft is stretched with super mangneto
The upper end of contracting rod is connected, and output shaft and the pump housing are made by the soft magnetic materials of high magnetic permeability, and the length of giant magnetostrictive rod with drive
The length of moving winding is equal;Giant magnetostrictive rod is pole shape, and it makes material and includes rare earth metal town, dysprosium and magnesium-yttrium-transition metal
Ferrum;
The described outer pump housing upwardly extends formation buckling body, and the lower horizontal of output shaft is connected with supporting, supporting and part output
Axle is contained in buckling body, and the wall body of buckling body is symmetrically arranged with centered by axis 2 buckling grooves, each buckling groove bag
Include sliding tray, multiple fixing groove and multiple horizontally disposed link slot of vertically layout, described sliding tray, link slot and fixing groove
It is sequentially communicated;Described pressing means is connected with supporting by spring, for giant magnetostrictive rod is applied precompression, described spring
It is sleeved on output shaft;Centered by axis, it is symmetrically arranged with 2 on the edge of described pressing means coordinate with described buckling groove and make
Holding section, its shapes and sizes match with the shapes and sizes of fixing groove, when holding section is fastened on varying level position
During fixing groove, giant magnetostrictive rod obtains different grades of precompression;Applying to press under pressing means during precompression, holding section enters
In sliding tray, horizontally rotate pressing means and make holding section enter link slot, unclamp pressing means when arriving the correspondence position of fixing groove,
Holding section is fastened in fixing groove under spring force;
Described piston component includes fixed body and piston, output shaft through fixed body affixed with piston, piston base be provided with one by
The barrier film that elastic membraneous material makes, it is fixed by screws on fixed body, and barrier film is completely separated with the external world by piston, pump chamber,
It is simultaneously used for strengthening when giant magnetostrictive rod shrinks the restoring force of piston;
Described check valve assembly includes import check valve and Outlet check valves, and both are arranged on valve body in the opposite direction, valve block
For beam type, being realized the folding of valve port by the bending of valve block and replying, the cantilever end of valve block closely connects with import or export
Touch;Described valve block uses bullet steel disc and beryllium-bronze as making material, through the Ageing Treatment of insulation in three hours, and uses
The mode of natural air cooling cools down;Described giant magnetostrictive rod produces dilatation in the magnetic field of change, drives piston to do directly
Line moves back and forth, and piston movement causes pump chamber change, two check valves under the pressure differential of alternation drives, alternately open with
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium;The import and export of check valve, the circumference of barrier film
On all use O shape rubber seal be filled with seal;
Preferably, described indirect cooling system includes tubular cooler, small-sized cooling blower, cooling entrance and coolant outlet, interior
The pump housing is made up of the preferable soft magnetic materials of heat conduction, and cooling entrance is arranged on the top of the outer pump housing, and coolant outlet is arranged on the outer pump housing
Bottom;Described tubular cooler is integrated on the outer surface of the outer pump housing, and cooling entrance is directly connected with tubular cooler, cools down out
Mouth is connected with described tubular cooler by small-sized cooling blower, is passed through cooling water in the spiral coil cooling tube in tubular cooler;?
During ultra-magnetic telescopic pump operation, when air temperature value inner pump inner chamber being detected is higher than setting value T1, small-sized cooling wind
Machine starts automatically, and the heat of inner pump inner chamber is derived to cooling chamber by the wall body of inner pump, and the hot-air in cooling chamber exists simultaneously
It is circulated cooling under the drive of small-sized cooling blower, thus reduces the temperature driving coil;The power of described small-sized cooling blower
For 170w, a length of 150mm of described giant magnetostrictive rod, driving size of current is 4A, and frequency is 10HZ;
Preferably, described emergency cooling system includes emergent cooling entrance, emergent cooling chamber and 2 emergent coolant outlets, 2
Described emergent coolant outlet is arranged in the base below the pump housing, and emergent cooling entrance is arranged on the top of inner pump;Described emergent
It is filled with low melting point in coolant outlet and emergent cooling entrance, its fusion temperature T2 > T1, this low melting point also mixes
The soft magnetic materials identical with described pump housing material;The cross section of described emergent coolant outlet is inverted trapezoidal shape, emergent cooling entrance
Cross section be arranged to the most tapered trapezoidal shape;Described emergent coolant outlet is connected with the emergency ventilation chamber being arranged on below
Logical, the lower surface in emergency ventilation chamber is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower, the other end and de-waxing
Mouth connection;When the air themperature of inner pump inner chamber is more than T2, paraffin starts fusing, emergent coolant outlet and entrance melting because of paraffin
Change is opened, and the hot-air of inner chamber is directly circulated cooling under the drive of small-sized cooling blower;Emergent coolant outlet melts
After paraffin fall into emergency ventilation intracavity, and fall into wax discharging port along inclined-plane;The end of described wax discharging port is provided with closing element, close
Closing member is bolted on the bottom of base, when needs de-waxing, unclamps bolt and takes off closing element by paraffin discharge;Described pump
Body and base are fastened by upper and lower two parts and form, and the pump housing and base are disassembled for operator and refill paraffin, and
Clean out and answer the paraffin of residual in cooling chamber and emergency ventilation chamber.
Preferably, the outer surface of described inner pump being additionally provided with the heat exchanging piece of multiple outwardly convex, described heat exchanging piece is overall in circle
Mesa-shaped, the side of each heat exchanging piece is provided with multiple spiral salient, and the hand of spiral of adjacent two spiral salients is contrary.
(1) this hydraulic butterfly valve system that has the beneficial effect that of this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump, prevent from driving coil short, and pump body design becomes the form of hollow simultaneously
Also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece of uniqueness to strengthen cooling effect;(4) supporting
Devising emergency cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system,
Normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain soft magnetism material in paraffin
During material), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) devise newly
The pump sealing apparatus being association of activity and inertia, installed the barrier film that elastic membraneous material makes, and entering at check valve additional in piston base
Exit position, barrier film circumference on use again O shape rubber seal be filled with seal, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block uses
Bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use the side of natural air cooling
Formula, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, play
Rectified action, finally realizes the unidirectional continuous flowing of liquid medium.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for
Those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtains the attached of other according to the following drawings
Figure.
Fig. 1 is the overall structure schematic diagram of this hydraulic butterfly valve system;
Fig. 2 is the overall structure schematic 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;Valve casing-2;Spool-3;Rotating shaft-4;Weight-5;Giant magnetostrictive rod-6;Defeated
Shaft-7;Piston component-8;Check valve assembly-9;Pressing means-10;End cap-11;Drive coil-12;Inner pump-13;Outward
The pump housing-14;Cooling chamber-15;Buckling body-16;Sliding tray-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;Tubular cooler-27;Small-sized cooling blower-28;
Cooling entrance-29;Coolant outlet-30;Base-31;Emergent coolant outlet-32;Emergent cooling entrance-33;Emergency ventilation chamber-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;Hydraulic cylinder-42;Connecting rod-43;Drive rod-44.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance as shown in Figure 1, including valve casing 2, spool 3, rotating shaft 4, weight
Hammer 5, hydraulic cylinder 42 and oil feed pump, spool 3 is one-body molded with rotating shaft 4, and spool 3 is arranged in valve casing 2, and weight 5 leads to
Cross connecting rod 43 to be vertically connected with rotating shaft 4, when oil feed pump decompression, be automatically switched off hydraulic butterfly valve.Hydraulic cylinder 42 passes through drive rod
44 are connected with connecting rod 43, and hydraulic cylinder 42 is by oil feed pump fuel feeding.During the work of this hydraulic butterfly valve, hydraulic cylinder 42 drives drive rod 44
Motion, and then spool 3 is rotated in valve casing 2, hydraulic butterfly valve is turned on or off.Piston in described hydraulic cylinder 42
Range is more than the difference of drive rod 44 with the highest and minimum altitude of connecting rod 43 junction point.Set on the internal face of described valve casing 2
It is equipped with rubber sealant, the surface of described rubber sealant is additionally provided with the wearing layer that one layer of nylon is made.
As in figure 2 it is shown, oil feed pump is ultra-magnetic telescopic pump 1, ultra-magnetic telescopic pump 1 is overall vertically-mounted, including the pump housing, surpasses
Magnetostrictive rod 6, output shaft 7, piston component 8, check valve assembly 9, pressing means 10, end cap 11, drive coil 12,
Indirect cooling system, emergency cooling system.The pump housing include inner pump 13 and the outer pump housing 14, inner pump 13 and the outer pump housing 14 it
Between formed annular cooling chamber 15.Driving coil 12 to be arranged in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is installed
On the axis driving coil 12, the lower end of output shaft 7 is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and pump
Body is made up of the soft magnetic materials of high magnetic permeability, in order to ensure to improve the magnetic field intensity put on giant magnetostrictive rod 6 as much as possible
And save material, the length of giant magnetostrictive rod 6 is set to identical with the length driving coil 12.Giant magnetostrictive rod 6 is
Pole shape, is mainly composed of rare earth metal town, dysprosium and magnesium-yttrium-transition metal ferrum etc..
As shown in Figure 3-4, the outer pump housing 14 upwardly extends formation buckling body 16, and the lower horizontal of output shaft 7 is connected with supporting
21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, on the wall body of buckling body 16 with
Being symmetrically arranged with 2 buckling grooves centered by axis, each buckling groove includes the sliding tray 17 vertically arranged, multiple fixing groove
19 and multiple horizontally disposed link slot 18, sliding tray 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22
When being fastened on the fixing groove 19 of varying level position, giant magnetostrictive rod 6 will obtain different grades of precompression.Such as Fig. 1 and
Shown in 5, pressing means 10 is connected with supporting 21 by spring 20, and giant magnetostrictive rod 6 applies precompression, spring 20
It is sleeved on output shaft 7.The applying of precompression can be with appreciable impact magnetostrictive effect.For given magnetic field intensity, apply
One optimum precompression load, can be greatly enhanced the strain of magnetostriction materials: apply a precompression, will make material
Internal magnetic domain turns to the direction vertical with precompression, and material shrinks in the axial direction.When magnetic field intensity applies vertically, magnetic
Farmland rotates, and direction is consistent with magnetization direction, thus creates bigger deformation, namely bigger strain.Pressing means
Be symmetrically arranged with centered by axis on the edge of 10 2 with buckling groove with the use of holding section 22, its shapes and sizes
Corresponding with fixing groove 19, when applying precompression, pressing means to be pressed for 10 times, holding section 22 enters in sliding tray 17, so
After horizontally rotate pressing means 10 and make holding section 22 enter link slot 18, unclamp when arriving the correspondence position of fixing groove 19 and add
Casting die 10, holding section 22 is fastened in fixing groove 19 under spring force.The advantage of this applying precompression mode is:
(1) the integrated weight of pumping system, beneficially lightweight is reduce further by the design of buckling groove;(2) inventor is through grinding
Studying carefully discovery, for one has been designed the ultra-magnetic telescopic pump produced, precompression is to the output flow under different electric currents
Influence curve be not linear, be not even continuous print in the case of having, and under different electric currents and frequency range always
Have a more excellent even optimum corresponding precompression, therefore for and the common operating personnel of unfamiliar this characteristic for, often
Secondary position corresponding to suitable precompression of will finding is a pretty troublesome thing, applies mode by this graduate precompression,
The position that needed for can finding oneself to more convenient and quicker, precompression is corresponding.Such as, when input current is 6A, and frequency is 10HZ
Time, required precompression is about 15MPa, and when changing the condition of input current, operator can be easily according to tool
The size of current of body and frequency size change the position of engaging to change the grade of precompression.Developer can be by through overtesting
The parameter area that each grade precompression of drawing is corresponding is labeled in the surface of buckling body 16 to facilitate operator to use.Specifically
Progression can be obtained by experiment according to practical situation.(3) simultaneously, pre-pressure mechanism is output shaft 7 and piston component 8 carries
Supply reliable restoring force, so that the straight reciprocating motion of piston component 8 is better achieved, ultimately form good pumping action.
Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed with piston 23 through fixed body 24, 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 lived
Plug 23, pump chamber are completely separated with the external world, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every
The elastic properties of materials of film 25 is preferable, when giant magnetostrictive rod 6 shrinks, it is also possible to strengthen the restoring force of piston.Increase except using
The mode of barrier film 25 seals, in order to reach better seal effect, at import and export position, the circle of barrier film 25 of check valve
O shape rubber seal is used again to be filled with sealing on week.
As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both are by contrary side
To being arranged on valve body 39, valve block 26 is beam type, relies on the bending of valve block 26 and replys the folding realizing valve port.Valve
Sheet 26 can be designed to variously-shaped according to actual use requirement, and when it is installed, the cantilever end of valve block 26 is all and import and export
It is in close contact, to guarantee quickly to open and close.When check valve assembly 9 works, when the pressure differential of valve block 26 both sides reaches valve
During the unlatching pressure of sheet 26, valve block 26 is acted on by power, and bend deflection, thus realizes the switch of check valve assembly.
Valve block 26 employing bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use nature sky
The mode of air cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows: super mangneto
Telescopic material, in the magnetic field of change, can produce dilatation, and then drive piston to do straight reciprocating motion.Piston movement causes
Pump chamber changes, and makes pump chamber and the extraneous pressure differential that produces, two check valves under the pressure differential of alternation drives, alternately open and
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Turning now to Fig. 1, when ultra-magnetic telescopic pump 1 is operated in the feelings that big electric current, high capacity or ambient temperature itself is the highest
Under condition, drive coil 12 to be susceptible to overheated, owing to driving the distance between coil 12 and giant magnetostrictive rod 6 less, drive
The overheated meeting of moving winding 12 makes giant magnetostrictive rod 6 deform, and then causes output flow to change greatly, and the feelings of cutout even occur
Condition, is therefore additionally provided with indirect cooling system, and it includes tubular cooler 27, small-sized cooling blower 28, cooling entrance 29 and
Coolant outlet 30, is inner pump 13 and the form of the outer pump housing 14 by pump body design simultaneously, and inner pump 13 is the softest by heat conduction
Magnetic material is made, and cooling entrance 29 is arranged on the top of the outer pump housing 14, and the bottom of the pump housing 14 is provided with coolant outlet 30 outside,
Tubular cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with tubular cooler 27, cooling
Outlet 30 is connected with tubular cooler 27 by small-sized cooling blower 28, is passed through in the spiral coil cooling tube in tubular cooler 27
Cooling water.In ultra-magnetic telescopic pump 1 running, if be detected that the air temperature value of inner pump 13 inner chamber is higher than setting value
T1, small-sized cooling blower 28 starts automatically, and the heat of inner pump 13 inner chamber is derived to cooling chamber by the wall body of inner pump 13
14, the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in cooling chamber 15 simultaneously, thus reduce driving coil 12
Temperature.The benefit of this indirect cooling is, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevent from driving coil
12 short circuits, pump body design becomes the form of hollow also can effectively alleviate the weight of pump simultaneously, saves soft magnetic materials.Small-sized cooling blower
The power of 28 is 170w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 4A, when frequency is 10HZ,
The safe operation cycle of ultra-magnetic telescopic pump 1 increases 20% before not transforming.
It is provided with base 31 in the lower section of the pump housing, base 31 is provided with two emergent coolant outlets 32, upper at inner pump 13
Portion is provided with emergent cooling entrance 33.It is filled with low melting point, such as in emergent coolant outlet 32 and emergent cooling entrance 33
Paraffin, its fusion temperature T2 > T1, can the material of the most differently configured fusing point, this low melting point is also mixed with
The appropriate soft magnetic materials identical with pump housing material.The cross section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, emergent cooling entrance
The cross section of 33 is arranged to the most tapered trapezoidal shape, can effectively prevent paraffin from not melting and i.e. drop, and can guarantee that melted paraffin wax
Time can direction along design drop smoothly.Emergent coolant outlet 32 is connected with the emergency ventilation chamber 34 being arranged on below,
The lower surface in emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, the other end and row
Wax mouth 35 connects.When the air themperature of inner pump 13 inner chamber is more than T2, send report by alarm device (not shown)
Alert, paraffin starts fusing simultaneously, and the paraffin after melting in emergent coolant outlet 32 falls in emergency ventilation chamber 34, and along tiltedly
Face falls into wax discharging port 35, now meets an urgent need coolant outlet 32 and entrance 33 is opened because of the fusing of paraffin, owing to T2 is more than T1,
The most small-sized cooling blower 28 has run, and the hot-air of inner chamber is directly circulated cold under the drive of small-sized cooling blower 28
But.The advantage of this emergent cooling structure is: the most directly use cooling water, it is to avoid leaks and causes driving the wind of coil 12 short circuit
Danger;Running into compared with (such as load, current swing is big) under extreme high-temperature condition, paraffin just can melt thus start emergent cooling
System, normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain in paraffin
During soft magnetic materials), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system.
The end of wax discharging port 35 is airtight by closing element 36, and closing element 36 is bolted on the bottom of base 31.When needing
When wanting de-waxing, unclamp bolt and take off closing element 36 by paraffin discharge.As it is shown in fig. 7, the pump housing and base 31 are by upper and lower two
Point fastening forms, and within the pump shutdown time period (if desired can also on-line operation operation), operator can be by the pump housing and base
31 disassemble and refill paraffin, and clean out and answer the paraffin of residual in cooling chamber 15 and emergency ventilation chamber 34.Emergent cooling
Flow into the paraffin in cooling chamber 15 after entrance 33 fusing could to clear up, it is contemplated that melted paraffin wax is also after the pump housing is dismantled
Non-recurrent event and the volume of cooling chamber 15 is more much bigger than the volume in emergency ventilation chamber 34, actual motion has no effect on
Pump properly functioning.
Preferably, as it is shown in figure 9, be additionally provided with the heat exchanging piece 40 of multiple outwardly convex, heat exchange on the outer surface of inner pump 13
Part 40 entirety is round table-like, and the side of each heat exchanging piece 40 is provided with multiple spiral salient 41, adjacent two spiral salients 41
The hand of spiral contrary, the most previous dextrorotation, later derotation,...The heat exchanging piece 40 of this particular design can be effectively increased sky
Gas and the turbulent flow on inner pump 13 surface, to increase heat exchange efficiency.
In the hydraulic butterfly valve system of this embodiment, (1) this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevents from driving coil 12 short circuit, and pump body design becomes hollow simultaneously
Form also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece 40 of uniqueness to strengthen cooling effect;
The power of small-sized cooling blower 28 is 170w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 4A, frequently
When rate is 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 20%;(4) Aided design should
Anxious cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system, normal condition
Lower inner cavity is a space closed, the least leakage field (when particularly mixing certain soft magnetic materials in paraffin), with
Time simple in construction cost relatively low, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) new sound knot is devised
The pump sealing apparatus closed, has been additionally arranged at the bottom, at piston 23, the barrier film 25 that elastic membraneous material makes, and in the turnover of check valve
Mouthful position, barrier film 25 circumference on use again O shape rubber seal to be filled with sealing, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block 26 is adopted
With playing steel disc and beryllium-bronze as making material, and through the Ageing Treatment of insulation in three hours, use natural air cooling
Mode, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, rise
Arrive rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Embodiment 2:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance as shown in Figure 1, including valve casing 2, spool 3, rotating shaft 4, weight
Hammer 5, hydraulic cylinder 42 and oil feed pump, spool 3 is one-body molded with rotating shaft 4, and spool 3 is arranged in valve casing 2, and weight 5 leads to
Cross connecting rod 43 to be vertically connected with rotating shaft 4, when oil feed pump decompression, be automatically switched off hydraulic butterfly valve.Hydraulic cylinder 42 passes through drive rod
44 are connected with connecting rod 43, and hydraulic cylinder 42 is by oil feed pump fuel feeding.During the work of this hydraulic butterfly valve, hydraulic cylinder 42 drives drive rod 44
Motion, and then spool 3 is rotated in valve casing 2, hydraulic butterfly valve is turned on or off.Piston in described hydraulic cylinder 42
Range is more than the difference of drive rod 44 with the highest and minimum altitude of connecting rod 43 junction point.Set on the internal face of described valve casing 2
It is equipped with rubber sealant, the surface of described rubber sealant is additionally provided with the wearing layer that one layer of nylon is made.
As in figure 2 it is shown, oil feed pump is ultra-magnetic telescopic pump 1, ultra-magnetic telescopic pump 1 is overall vertically-mounted, including the pump housing, surpasses
Magnetostrictive rod 6, output shaft 7, piston component 8, check valve assembly 9, pressing means 10, end cap 11, drive coil 12,
Indirect cooling system, emergency cooling system.The pump housing include inner pump 13 and the outer pump housing 14, inner pump 13 and the outer pump housing 14 it
Between formed annular cooling chamber 15.Driving coil 12 to be arranged in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is installed
On the axis driving coil 12, the lower end of output shaft 7 is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and pump
Body is made up of the soft magnetic materials of high magnetic permeability, in order to ensure to improve the magnetic field intensity put on giant magnetostrictive rod 6 as much as possible
And save material, the length of giant magnetostrictive rod 6 is set to identical with the length driving coil 12.Giant magnetostrictive rod 6 is
Pole shape, is mainly composed of rare earth metal town, dysprosium and magnesium-yttrium-transition metal ferrum etc..
As shown in Figure 3-4, the outer pump housing 14 upwardly extends formation buckling body 16, and the lower horizontal of output shaft 7 is connected with supporting
21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, on the wall body of buckling body 16 with
Being symmetrically arranged with 2 buckling grooves centered by axis, each buckling groove includes the sliding tray 17 vertically arranged, multiple fixing groove
19 and multiple horizontally disposed link slot 18, sliding tray 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22
When being fastened on the fixing groove 19 of varying level position, giant magnetostrictive rod 6 will obtain different grades of precompression.Such as Fig. 1 and
Shown in 5, pressing means 10 is connected with supporting 21 by spring 20, and giant magnetostrictive rod 6 applies precompression, spring 20
It is sleeved on output shaft 7.The applying of precompression can be with appreciable impact magnetostrictive effect.For given magnetic field intensity, apply
One optimum precompression load, can be greatly enhanced the strain of magnetostriction materials: apply a precompression, will make material
Internal magnetic domain turns to the direction vertical with precompression, and material shrinks in the axial direction.When magnetic field intensity applies vertically, magnetic
Farmland rotates, and direction is consistent with magnetization direction, thus creates bigger deformation, namely bigger strain.Pressing means
Be symmetrically arranged with centered by axis on the edge of 10 2 with buckling groove with the use of holding section 22, its shapes and sizes
Corresponding with fixing groove 19, when applying precompression, pressing means to be pressed for 10 times, holding section 22 enters in sliding tray 17, so
After horizontally rotate pressing means 10 and make holding section 22 enter link slot 18, unclamp when arriving the correspondence position of fixing groove 19 and add
Casting die 10, holding section 22 is fastened in fixing groove 19 under spring force.The advantage of this applying precompression mode is:
(1) the integrated weight of pumping system, beneficially lightweight is reduce further by the design of buckling groove;(2) inventor is through grinding
Studying carefully discovery, for one has been designed the ultra-magnetic telescopic pump produced, precompression is to the output flow under different electric currents
Influence curve be not linear, be not even continuous print in the case of having, and under different electric currents and frequency range always
Have a more excellent even optimum corresponding precompression, therefore for and the common operating personnel of unfamiliar this characteristic for, often
Secondary position corresponding to suitable precompression of will finding is a pretty troublesome thing, applies mode by this graduate precompression,
The position that needed for can finding oneself to more convenient and quicker, precompression is corresponding.Such as, when input current is 6A, and frequency is 10HZ
Time, required precompression is about 15MPa, and when changing the condition of input current, operator can be easily according to tool
The size of current of body and frequency size change the position of engaging to change the grade of precompression.Developer can be by through overtesting
The parameter area that each grade precompression of drawing is corresponding is labeled in the surface of buckling body 16 to facilitate operator to use.Specifically
Progression can be obtained by experiment according to practical situation.(3) simultaneously, pre-pressure mechanism is output shaft 7 and piston component 8 carries
Supply reliable restoring force, so that the straight reciprocating motion of piston component 8 is better achieved, ultimately form good pumping action.
Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed with piston 23 through fixed body 24, 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 lived
Plug 23, pump chamber are completely separated with the external world, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every
The elastic properties of materials of film 25 is preferable, when giant magnetostrictive rod 6 shrinks, it is also possible to strengthen the restoring force of piston.Increase except using
The mode of barrier film 25 seals, in order to reach better seal effect, at import and export position, the circle of barrier film 25 of check valve
O shape rubber seal is used again to be filled with sealing on week.
As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both are by contrary side
To being arranged on valve body 39, valve block 26 is beam type, relies on the bending of valve block 26 and replys the folding realizing valve port.Valve
Sheet 26 can be designed to variously-shaped according to actual use requirement, and when it is installed, the cantilever end of valve block 26 is all and import and export
It is in close contact, to guarantee quickly to open and close.When check valve assembly 9 works, when the pressure differential of valve block 26 both sides reaches valve
During the unlatching pressure of sheet 26, valve block 26 is acted on by power, and bend deflection, thus realizes the switch of check valve assembly.
Valve block 26 employing bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use nature sky
The mode of air cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows: super mangneto
Telescopic material, in the magnetic field of change, can produce dilatation, and then drive piston to do straight reciprocating motion.Piston movement causes
Pump chamber changes, and makes pump chamber and the extraneous pressure differential that produces, two check valves under the pressure differential of alternation drives, alternately open and
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Turning now to Fig. 1, when ultra-magnetic telescopic pump 1 is operated in the feelings that big electric current, high capacity or ambient temperature itself is the highest
Under condition, drive coil 12 to be susceptible to overheated, owing to driving the distance between coil 12 and giant magnetostrictive rod 6 less, drive
The overheated meeting of moving winding 12 makes giant magnetostrictive rod 6 deform, and then causes output flow to change greatly, and the feelings of cutout even occur
Condition, is therefore additionally provided with indirect cooling system, and it includes tubular cooler 27, small-sized cooling blower 28, cooling entrance 29 and
Coolant outlet 30, is inner pump 13 and the form of the outer pump housing 14 by pump body design simultaneously, and inner pump 13 is the softest by heat conduction
Magnetic material is made, and cooling entrance 29 is arranged on the top of the outer pump housing 14, and the bottom of the pump housing 14 is provided with coolant outlet 30 outside,
Tubular cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with tubular cooler 27, cooling
Outlet 30 is connected with tubular cooler 27 by small-sized cooling blower 28, is passed through in the spiral coil cooling tube in tubular cooler 27
Cooling water.In ultra-magnetic telescopic pump 1 running, if be detected that the air temperature value of inner pump 13 inner chamber is higher than setting value
T1, small-sized cooling blower 28 starts automatically, and the heat of inner pump 13 inner chamber is derived to cooling chamber by the wall body of inner pump 13
14, the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in cooling chamber 15 simultaneously, thus reduce driving coil 12
Temperature.The benefit of this indirect cooling is, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevent from driving coil
12 short circuits, pump body design becomes the form of hollow also can effectively alleviate the weight of pump simultaneously, saves soft magnetic materials.Small-sized cooling blower
The power of 28 is 190w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 6A, when frequency is 10HZ,
The safe operation cycle of ultra-magnetic telescopic pump 1 increases 25% before not transforming.
It is provided with base 31 in the lower section of the pump housing, base 31 is provided with two emergent coolant outlets 32, upper at inner pump 13
Portion is provided with emergent cooling entrance 33.It is filled with low melting point, such as in emergent coolant outlet 32 and emergent cooling entrance 33
Paraffin, its fusion temperature T2 > T1, can the material of the most differently configured fusing point, this low melting point is also mixed with
The appropriate soft magnetic materials identical with pump housing material.The cross section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, emergent cooling entrance
The cross section of 33 is arranged to the most tapered trapezoidal shape, can effectively prevent paraffin from not melting and i.e. drop, and can guarantee that melted paraffin wax
Time can direction along design drop smoothly.Emergent coolant outlet 32 is connected with the emergency ventilation chamber 34 being arranged on below,
The lower surface in emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, the other end and row
Wax mouth 35 connects.When the air themperature of inner pump 13 inner chamber is more than T2, send report by alarm device (not shown)
Alert, paraffin starts fusing simultaneously, and the paraffin after melting in emergent coolant outlet 32 falls in emergency ventilation chamber 34, and along tiltedly
Face falls into wax discharging port 35, now meets an urgent need coolant outlet 32 and entrance 33 is opened because of the fusing of paraffin, owing to T2 is more than T1,
The most small-sized cooling blower 28 has run, and the hot-air of inner chamber is directly circulated cold under the drive of small-sized cooling blower 28
But.The advantage of this emergent cooling structure is: the most directly use cooling water, it is to avoid leaks and causes driving the wind of coil 12 short circuit
Danger;Running into compared with (such as load, current swing is big) under extreme high-temperature condition, paraffin just can melt thus start emergent cooling
System, normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain in paraffin
During soft magnetic materials), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system.
The end of wax discharging port 35 is airtight by closing element 36, and closing element 36 is bolted on the bottom of base 31.When needing
When wanting de-waxing, unclamp bolt and take off closing element 36 by paraffin discharge.As it is shown in fig. 7, the pump housing and base 31 are by upper and lower two
Point fastening forms, and within the pump shutdown time period (if desired can also on-line operation operation), operator can be by the pump housing and base
31 disassemble and refill paraffin, and clean out and answer the paraffin of residual in cooling chamber 15 and emergency ventilation chamber 34.Emergent cooling
Flow into the paraffin in cooling chamber 15 after entrance 33 fusing could to clear up, it is contemplated that melted paraffin wax is also after the pump housing is dismantled
Non-recurrent event and the volume of cooling chamber 15 is more much bigger than the volume in emergency ventilation chamber 34, actual motion has no effect on
Pump properly functioning.
Preferably, as it is shown in figure 9, be additionally provided with the heat exchanging piece 40 of multiple outwardly convex, heat exchange on the outer surface of inner pump 13
Part 40 entirety is round table-like, and the side of each heat exchanging piece 40 is provided with multiple spiral salient 41, adjacent two spiral salients 41
The hand of spiral contrary, the most previous dextrorotation, later derotation,....The heat exchanging piece 40 of this particular design can be effectively increased sky
Gas and the turbulent flow on inner pump 13 surface, to increase heat exchange efficiency.
In the hydraulic butterfly valve system of this embodiment, (1) this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevents from driving coil 12 short circuit, and pump body design becomes hollow simultaneously
Form also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece 40 of uniqueness to strengthen cooling effect;
The power of small-sized cooling blower 28 is 190w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 6A, frequently
When rate is 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 25%;(4) Aided design should
Anxious cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system, normal condition
Lower inner cavity is a space closed, the least leakage field (when particularly mixing certain soft magnetic materials in paraffin), with
Time simple in construction cost relatively low, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) new sound knot is devised
The pump sealing apparatus closed, has been additionally arranged at the bottom, at piston 23, the barrier film 25 that elastic membraneous material makes, and in the turnover of check valve
Mouthful position, barrier film 25 circumference on use again O shape rubber seal to be filled with sealing, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block 26 is adopted
With playing steel disc and beryllium-bronze as making material, and through the Ageing Treatment of insulation in three hours, use natural air cooling
Mode, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, rise
Arrive rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Embodiment 3:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance as shown in Figure 1, including valve casing 2, spool 3, rotating shaft 4, weight
Hammer 5, hydraulic cylinder 42 and oil feed pump, spool 3 is one-body molded with rotating shaft 4, and spool 3 is arranged in valve casing 2, and weight 5 leads to
Cross connecting rod 43 to be vertically connected with rotating shaft 4, when oil feed pump decompression, be automatically switched off hydraulic butterfly valve.Hydraulic cylinder 42 passes through drive rod
44 are connected with connecting rod 43, and hydraulic cylinder 42 is by oil feed pump fuel feeding.During the work of this hydraulic butterfly valve, hydraulic cylinder 42 drives drive rod 44
Motion, and then spool 3 is rotated in valve casing 2, hydraulic butterfly valve is turned on or off.Piston in described hydraulic cylinder 42
Range is more than the difference of drive rod 44 with the highest and minimum altitude of connecting rod 43 junction point.Set on the internal face of described valve casing 2
It is equipped with rubber sealant, the surface of described rubber sealant is additionally provided with the wearing layer that one layer of nylon is made.
As in figure 2 it is shown, oil feed pump is ultra-magnetic telescopic pump 1, ultra-magnetic telescopic pump 1 is overall vertically-mounted, including the pump housing, surpasses
Magnetostrictive rod 6, output shaft 7, piston component 8, check valve assembly 9, pressing means 10, end cap 11, drive coil 12,
Indirect cooling system, emergency cooling system.The pump housing include inner pump 13 and the outer pump housing 14, inner pump 13 and the outer pump housing 14 it
Between formed annular cooling chamber 15.Driving coil 12 to be arranged in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is installed
On the axis driving coil 12, the lower end of output shaft 7 is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and pump
Body is made up of the soft magnetic materials of high magnetic permeability, in order to ensure to improve the magnetic field intensity put on giant magnetostrictive rod 6 as much as possible
And save material, the length of giant magnetostrictive rod 6 is set to identical with the length driving coil 12.Giant magnetostrictive rod 6 is
Pole shape, is mainly composed of rare earth metal town, dysprosium and magnesium-yttrium-transition metal ferrum etc..
As shown in Figure 3-4, the outer pump housing 14 upwardly extends formation buckling body 16, and the lower horizontal of output shaft 7 is connected with supporting
21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, on the wall body of buckling body 16 with
Being symmetrically arranged with 2 buckling grooves centered by axis, each buckling groove includes the sliding tray 17 vertically arranged, multiple fixing groove
19 and multiple horizontally disposed link slot 18, sliding tray 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22
When being fastened on the fixing groove 19 of varying level position, giant magnetostrictive rod 6 will obtain different grades of precompression.Such as Fig. 1 and
Shown in 5, pressing means 10 is connected with supporting 21 by spring 20, and giant magnetostrictive rod 6 applies precompression, spring 20
It is sleeved on output shaft 7.The applying of precompression can be with appreciable impact magnetostrictive effect.For given magnetic field intensity, apply
One optimum precompression load, can be greatly enhanced the strain of magnetostriction materials: apply a precompression, will make material
Internal magnetic domain turns to the direction vertical with precompression, and material shrinks in the axial direction.When magnetic field intensity applies vertically, magnetic
Farmland rotates, and direction is consistent with magnetization direction, thus creates bigger deformation, namely bigger strain.Pressing means
Be symmetrically arranged with centered by axis on the edge of 10 2 with buckling groove with the use of holding section 22, its shapes and sizes
Corresponding with fixing groove 19, when applying precompression, pressing means to be pressed for 10 times, holding section 22 enters in sliding tray 17, so
After horizontally rotate pressing means 10 and make holding section 22 enter link slot 18, unclamp when arriving the correspondence position of fixing groove 19 and add
Casting die 10, holding section 22 is fastened in fixing groove 19 under spring force.The advantage of this applying precompression mode is:
(1) the integrated weight of pumping system, beneficially lightweight is reduce further by the design of buckling groove;(2) inventor is through grinding
Studying carefully discovery, for one has been designed the ultra-magnetic telescopic pump produced, precompression is to the output flow under different electric currents
Influence curve be not linear, be not even continuous print in the case of having, and under different electric currents and frequency range always
Have a more excellent even optimum corresponding precompression, therefore for and the common operating personnel of unfamiliar this characteristic for, often
Secondary position corresponding to suitable precompression of will finding is a pretty troublesome thing, applies mode by this graduate precompression,
The position that needed for can finding oneself to more convenient and quicker, precompression is corresponding.Such as, when input current is 6A, and frequency is 10HZ
Time, required precompression is about 15MPa, and when changing the condition of input current, operator can be easily according to tool
The size of current of body and frequency size change the position of engaging to change the grade of precompression.Developer can be by through overtesting
The parameter area that each grade precompression of drawing is corresponding is labeled in the surface of buckling body 16 to facilitate operator to use.Specifically
Progression can be obtained by experiment according to practical situation.(3) simultaneously, pre-pressure mechanism is output shaft 7 and piston component 8 carries
Supply reliable restoring force, so that the straight reciprocating motion of piston component 8 is better achieved, ultimately form good pumping action.
Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed with piston 23 through fixed body 24, 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 lived
Plug 23, pump chamber are completely separated with the external world, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every
The elastic properties of materials of film 25 is preferable, when giant magnetostrictive rod 6 shrinks, it is also possible to strengthen the restoring force of piston.Increase except using
The mode of barrier film 25 seals, in order to reach better seal effect, at import and export position, the circle of barrier film 25 of check valve
O shape rubber seal is used again to be filled with sealing on week.
As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both are by contrary side
To being arranged on valve body 39, valve block 26 is beam type, relies on the bending of valve block 26 and replys the folding realizing valve port.Valve
Sheet 26 can be designed to variously-shaped according to actual use requirement, and when it is installed, the cantilever end of valve block 26 is all and import and export
It is in close contact, to guarantee quickly to open and close.When check valve assembly 9 works, when the pressure differential of valve block 26 both sides reaches valve
During the unlatching pressure of sheet 26, valve block 26 is acted on by power, and bend deflection, thus realizes the switch of check valve assembly.
Valve block 26 employing bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use nature sky
The mode of air cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows: super mangneto
Telescopic material, in the magnetic field of change, can produce dilatation, and then drive piston to do straight reciprocating motion.Piston movement causes
Pump chamber changes, and makes pump chamber and the extraneous pressure differential that produces, two check valves under the pressure differential of alternation drives, alternately open and
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Turning now to Fig. 1, when ultra-magnetic telescopic pump 1 is operated in the feelings that big electric current, high capacity or ambient temperature itself is the highest
Under condition, drive coil 12 to be susceptible to overheated, owing to driving the distance between coil 12 and giant magnetostrictive rod 6 less, drive
The overheated meeting of moving winding 12 makes giant magnetostrictive rod 6 deform, and then causes output flow to change greatly, and the feelings of cutout even occur
Condition, is therefore additionally provided with indirect cooling system, and it includes tubular cooler 27, small-sized cooling blower 28, cooling entrance 29 and
Coolant outlet 30, is inner pump 13 and the form of the outer pump housing 14 by pump body design simultaneously, and inner pump 13 is the softest by heat conduction
Magnetic material is made, and cooling entrance 29 is arranged on the top of the outer pump housing 14, and the bottom of the pump housing 14 is provided with coolant outlet 30 outside,
Tubular cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with tubular cooler 27, cooling
Outlet 30 is connected with tubular cooler 27 by small-sized cooling blower 28, is passed through in the spiral coil cooling tube in tubular cooler 27
Cooling water.In ultra-magnetic telescopic pump 1 running, if be detected that the air temperature value of inner pump 13 inner chamber is higher than setting value
T1, small-sized cooling blower 28 starts automatically, and the heat of inner pump 13 inner chamber is derived to cooling chamber by the wall body of inner pump 13
14, the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in cooling chamber 15 simultaneously, thus reduce driving coil 12
Temperature.The benefit of this indirect cooling is, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevent from driving coil
12 short circuits, pump body design becomes the form of hollow also can effectively alleviate the weight of pump simultaneously, saves soft magnetic materials.Small-sized cooling blower
The power of 28 is 210w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 8A, when frequency is 10HZ,
The safe operation cycle of ultra-magnetic telescopic pump 1 increases 30% before not transforming.
It is provided with base 31 in the lower section of the pump housing, base 31 is provided with two emergent coolant outlets 32, upper at inner pump 13
Portion is provided with emergent cooling entrance 33.It is filled with low melting point, such as in emergent coolant outlet 32 and emergent cooling entrance 33
Paraffin, its fusion temperature T2 > T1, can the material of the most differently configured fusing point, this low melting point is also mixed with
The appropriate soft magnetic materials identical with pump housing material.The cross section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, emergent cooling entrance
The cross section of 33 is arranged to the most tapered trapezoidal shape, can effectively prevent paraffin from not melting and i.e. drop, and can guarantee that melted paraffin wax
Time can direction along design drop smoothly.Emergent coolant outlet 32 is connected with the emergency ventilation chamber 34 being arranged on below,
The lower surface in emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, the other end and row
Wax mouth 35 connects.When the air themperature of inner pump 13 inner chamber is more than T2, send report by alarm device (not shown)
Alert, paraffin starts fusing simultaneously, and the paraffin after melting in emergent coolant outlet 32 falls in emergency ventilation chamber 34, and along tiltedly
Face falls into wax discharging port 35, now meets an urgent need coolant outlet 32 and entrance 33 is opened because of the fusing of paraffin, owing to T2 is more than T1,
The most small-sized cooling blower 28 has run, and the hot-air of inner chamber is directly circulated cold under the drive of small-sized cooling blower 28
But.The advantage of this emergent cooling structure is: the most directly use cooling water, it is to avoid leaks and causes driving the wind of coil 12 short circuit
Danger;Running into compared with (such as load, current swing is big) under extreme high-temperature condition, paraffin just can melt thus start emergent cooling
System, normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain in paraffin
During soft magnetic materials), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system.
The end of wax discharging port 35 is airtight by closing element 36, and closing element 36 is bolted on the bottom of base 31.When needing
When wanting de-waxing, unclamp bolt and take off closing element 36 by paraffin discharge.As it is shown in fig. 7, the pump housing and base 31 are by upper and lower two
Point fastening forms, and within the pump shutdown time period (if desired can also on-line operation operation), operator can be by the pump housing and base
31 disassemble and refill paraffin, and clean out and answer the paraffin of residual in cooling chamber 15 and emergency ventilation chamber 34.Emergent cooling
Flow into the paraffin in cooling chamber 15 after entrance 33 fusing could to clear up, it is contemplated that melted paraffin wax is also after the pump housing is dismantled
Non-recurrent event and the volume of cooling chamber 15 is more much bigger than the volume in emergency ventilation chamber 34, actual motion has no effect on
Pump properly functioning.
Preferably, as it is shown in figure 9, be additionally provided with the heat exchanging piece 40 of multiple outwardly convex, heat exchange on the outer surface of inner pump 13
Part 40 entirety is round table-like, and the side of each heat exchanging piece 40 is provided with multiple spiral salient 41, adjacent two spiral salients 41
The hand of spiral contrary, the most previous dextrorotation, later derotation,....The heat exchanging piece 40 of this particular design can be effectively increased sky
Gas and the turbulent flow on inner pump 13 surface, to increase heat exchange efficiency.
In the hydraulic butterfly valve system of this embodiment, (1) this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevents from driving coil 12 short circuit, and pump body design becomes hollow simultaneously
Form also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece 40 of uniqueness to strengthen cooling effect;
The power of small-sized cooling blower 28 is 210w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 8A, frequently
When rate is 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 30%;(4) Aided design should
Anxious cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system, normal condition
Lower inner cavity is a space closed, the least leakage field (when particularly mixing certain soft magnetic materials in paraffin), with
Time simple in construction cost relatively low, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) new sound knot is devised
The pump sealing apparatus closed, has been additionally arranged at the bottom, at piston 23, the barrier film 25 that elastic membraneous material makes, and in the turnover of check valve
Mouthful position, barrier film 25 circumference on use again O shape rubber seal to be filled with sealing, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block 26 is adopted
With playing steel disc and beryllium-bronze as making material, and through the Ageing Treatment of insulation in three hours, use natural air cooling
Mode, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, rise
Arrive rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Embodiment 4:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance as shown in Figure 1, including valve casing 2, spool 3, rotating shaft 4, weight
Hammer 5, hydraulic cylinder 42 and oil feed pump, spool 3 is one-body molded with rotating shaft 4, and spool 3 is arranged in valve casing 2, and weight 5 leads to
Cross connecting rod 43 to be vertically connected with rotating shaft 4, when oil feed pump decompression, be automatically switched off hydraulic butterfly valve.Hydraulic cylinder 42 passes through drive rod
44 are connected with connecting rod 43, and hydraulic cylinder 42 is by oil feed pump fuel feeding.During the work of this hydraulic butterfly valve, hydraulic cylinder 42 drives drive rod 44
Motion, and then spool 3 is rotated in valve casing 2, hydraulic butterfly valve is turned on or off.Piston in described hydraulic cylinder 42
Range is more than the difference of drive rod 44 with the highest and minimum altitude of connecting rod 43 junction point.Set on the internal face of described valve casing 2
It is equipped with rubber sealant, the surface of described rubber sealant is additionally provided with the wearing layer that one layer of nylon is made.
As in figure 2 it is shown, oil feed pump is ultra-magnetic telescopic pump 1, ultra-magnetic telescopic pump 1 is overall vertically-mounted, including the pump housing, surpasses
Magnetostrictive rod 6, output shaft 7, piston component 8, check valve assembly 9, pressing means 10, end cap 11, drive coil 12,
Indirect cooling system, emergency cooling system.The pump housing include inner pump 13 and the outer pump housing 14, inner pump 13 and the outer pump housing 14 it
Between formed annular cooling chamber 15.Driving coil 12 to be arranged in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is installed
On the axis driving coil 12, the lower end of output shaft 7 is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and pump
Body is made up of the soft magnetic materials of high magnetic permeability, in order to ensure to improve the magnetic field intensity put on giant magnetostrictive rod 6 as much as possible
And save material, the length of giant magnetostrictive rod 6 is set to identical with the length driving coil 12.Giant magnetostrictive rod 6 is
Pole shape, is mainly composed of rare earth metal town, dysprosium and magnesium-yttrium-transition metal ferrum etc..
As shown in Figure 3-4, the outer pump housing 14 upwardly extends formation buckling body 16, and the lower horizontal of output shaft 7 is connected with supporting
21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, on the wall body of buckling body 16 with
Being symmetrically arranged with 2 buckling grooves centered by axis, each buckling groove includes the sliding tray 17 vertically arranged, multiple fixing groove
19 and multiple horizontally disposed link slot 18, sliding tray 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22
When being fastened on the fixing groove 19 of varying level position, giant magnetostrictive rod 6 will obtain different grades of precompression.Such as Fig. 1 and
Shown in 5, pressing means 10 is connected with supporting 21 by spring 20, and giant magnetostrictive rod 6 applies precompression, spring 20
It is sleeved on output shaft 7.The applying of precompression can be with appreciable impact magnetostrictive effect.For given magnetic field intensity, apply
One optimum precompression load, can be greatly enhanced the strain of magnetostriction materials: apply a precompression, will make material
Internal magnetic domain turns to the direction vertical with precompression, and material shrinks in the axial direction.When magnetic field intensity applies vertically, magnetic
Farmland rotates, and direction is consistent with magnetization direction, thus creates bigger deformation, namely bigger strain.Pressing means
Be symmetrically arranged with centered by axis on the edge of 10 2 with buckling groove with the use of holding section 22, its shapes and sizes
Corresponding with fixing groove 19, when applying precompression, pressing means to be pressed for 10 times, holding section 22 enters in sliding tray 17, so
After horizontally rotate pressing means 10 and make holding section 22 enter link slot 18, unclamp when arriving the correspondence position of fixing groove 19 and add
Casting die 10, holding section 22 is fastened in fixing groove 19 under spring force.The advantage of this applying precompression mode is:
(1) the integrated weight of pumping system, beneficially lightweight is reduce further by the design of buckling groove;(2) inventor is through grinding
Studying carefully discovery, for one has been designed the ultra-magnetic telescopic pump produced, precompression is to the output flow under different electric currents
Influence curve be not linear, be not even continuous print in the case of having, and under different electric currents and frequency range always
Have a more excellent even optimum corresponding precompression, therefore for and the common operating personnel of unfamiliar this characteristic for, often
Secondary position corresponding to suitable precompression of will finding is a pretty troublesome thing, applies mode by this graduate precompression,
The position that needed for can finding oneself to more convenient and quicker, precompression is corresponding.Such as, when input current is 6A, and frequency is 10HZ
Time, required precompression is about 15MPa, and when changing the condition of input current, operator can be easily according to tool
The size of current of body and frequency size change the position of engaging to change the grade of precompression.Developer can be by through overtesting
The parameter area that each grade precompression of drawing is corresponding is labeled in the surface of buckling body 16 to facilitate operator to use.Specifically
Progression can be obtained by experiment according to practical situation.(3) simultaneously, pre-pressure mechanism is output shaft 7 and piston component 8 carries
Supply reliable restoring force, so that the straight reciprocating motion of piston component 8 is better achieved, ultimately form good pumping action.
Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed with piston 23 through fixed body 24, 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 lived
Plug 23, pump chamber are completely separated with the external world, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every
The elastic properties of materials of film 25 is preferable, when giant magnetostrictive rod 6 shrinks, it is also possible to strengthen the restoring force of piston.Increase except using
The mode of barrier film 25 seals, in order to reach better seal effect, at import and export position, the circle of barrier film 25 of check valve
O shape rubber seal is used again to be filled with sealing on week.
As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both are by contrary side
To being arranged on valve body 39, valve block 26 is beam type, relies on the bending of valve block 26 and replys the folding realizing valve port.Valve
Sheet 26 can be designed to variously-shaped according to actual use requirement, and when it is installed, the cantilever end of valve block 26 is all and import and export
It is in close contact, to guarantee quickly to open and close.When check valve assembly 9 works, when the pressure differential of valve block 26 both sides reaches valve
During the unlatching pressure of sheet 26, valve block 26 is acted on by power, and bend deflection, thus realizes the switch of check valve assembly.
Valve block 26 employing bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use nature sky
The mode of air cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows: super mangneto
Telescopic material, in the magnetic field of change, can produce dilatation, and then drive piston to do straight reciprocating motion.Piston movement causes
Pump chamber changes, and makes pump chamber and the extraneous pressure differential that produces, two check valves under the pressure differential of alternation drives, alternately open and
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Turning now to Fig. 1, when ultra-magnetic telescopic pump 1 is operated in the feelings that big electric current, high capacity or ambient temperature itself is the highest
Under condition, drive coil 12 to be susceptible to overheated, owing to driving the distance between coil 12 and giant magnetostrictive rod 6 less, drive
The overheated meeting of moving winding 12 makes giant magnetostrictive rod 6 deform, and then causes output flow to change greatly, and the feelings of cutout even occur
Condition, is therefore additionally provided with indirect cooling system, and it includes tubular cooler 27, small-sized cooling blower 28, cooling entrance 29 and
Coolant outlet 30, is inner pump 13 and the form of the outer pump housing 14 by pump body design simultaneously, and inner pump 13 is the softest by heat conduction
Magnetic material is made, and cooling entrance 29 is arranged on the top of the outer pump housing 14, and the bottom of the pump housing 14 is provided with coolant outlet 30 outside,
Tubular cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with tubular cooler 27, cooling
Outlet 30 is connected with tubular cooler 27 by small-sized cooling blower 28, is passed through in the spiral coil cooling tube in tubular cooler 27
Cooling water.In ultra-magnetic telescopic pump 1 running, if be detected that the air temperature value of inner pump 13 inner chamber is higher than setting value
T1, small-sized cooling blower 28 starts automatically, and the heat of inner pump 13 inner chamber is derived to cooling chamber by the wall body of inner pump 13
14, the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in cooling chamber 15 simultaneously, thus reduce driving coil 12
Temperature.The benefit of this indirect cooling is, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevent from driving coil
12 short circuits, pump body design becomes the form of hollow also can effectively alleviate the weight of pump simultaneously, saves soft magnetic materials.Small-sized cooling blower
The power of 28 is 230w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 9A, when frequency is 10HZ,
The safe operation cycle of ultra-magnetic telescopic pump 1 increases 35% before not transforming.
It is provided with base 31 in the lower section of the pump housing, base 31 is provided with two emergent coolant outlets 32, upper at inner pump 13
Portion is provided with emergent cooling entrance 33.It is filled with low melting point, such as in emergent coolant outlet 32 and emergent cooling entrance 33
Paraffin, its fusion temperature T2 > T1, can the material of the most differently configured fusing point, this low melting point is also mixed with
The appropriate soft magnetic materials identical with pump housing material.The cross section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, emergent cooling entrance
The cross section of 33 is arranged to the most tapered trapezoidal shape, can effectively prevent paraffin from not melting and i.e. drop, and can guarantee that melted paraffin wax
Time can direction along design drop smoothly.Emergent coolant outlet 32 is connected with the emergency ventilation chamber 34 being arranged on below,
The lower surface in emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, the other end and row
Wax mouth 35 connects.When the air themperature of inner pump 13 inner chamber is more than T2, send report by alarm device (not shown)
Alert, paraffin starts fusing simultaneously, and the paraffin after melting in emergent coolant outlet 32 falls in emergency ventilation chamber 34, and along tiltedly
Face falls into wax discharging port 35, now meets an urgent need coolant outlet 32 and entrance 33 is opened because of the fusing of paraffin, owing to T2 is more than T1,
The most small-sized cooling blower 28 has run, and the hot-air of inner chamber is directly circulated cold under the drive of small-sized cooling blower 28
But.The advantage of this emergent cooling structure is: the most directly use cooling water, it is to avoid leaks and causes driving the wind of coil 12 short circuit
Danger;Running into compared with (such as load, current swing is big) under extreme high-temperature condition, paraffin just can melt thus start emergent cooling
System, normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain in paraffin
During soft magnetic materials), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system.
The end of wax discharging port 35 is airtight by closing element 36, and closing element 36 is bolted on the bottom of base 31.When needing
When wanting de-waxing, unclamp bolt and take off closing element 36 by paraffin discharge.As it is shown in fig. 7, the pump housing and base 31 are by upper and lower two
Point fastening forms, and within the pump shutdown time period (if desired can also on-line operation operation), operator can be by the pump housing and base
31 disassemble and refill paraffin, and clean out and answer the paraffin of residual in cooling chamber 15 and emergency ventilation chamber 34.Emergent cooling
Flow into the paraffin in cooling chamber 15 after entrance 33 fusing could to clear up, it is contemplated that melted paraffin wax is also after the pump housing is dismantled
Non-recurrent event and the volume of cooling chamber 15 is more much bigger than the volume in emergency ventilation chamber 34, actual motion has no effect on
Pump properly functioning.
Preferably, as it is shown in figure 9, be additionally provided with the heat exchanging piece 40 of multiple outwardly convex, heat exchange on the outer surface of inner pump 13
Part 40 entirety is round table-like, and the side of each heat exchanging piece 40 is provided with multiple spiral salient 41, adjacent two spiral salients 41
The hand of spiral contrary, the most previous dextrorotation, later derotation,....The heat exchanging piece 40 of this particular design can be effectively increased sky
Gas and the turbulent flow on inner pump 13 surface, to increase heat exchange efficiency.
In the hydraulic butterfly valve system of this embodiment, (1) this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevents from driving coil 12 short circuit, and pump body design becomes hollow simultaneously
Form also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece 40 of uniqueness to strengthen cooling effect;
The power of small-sized cooling blower 28 is 230w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 9A, frequently
When rate is 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 35%;(4) Aided design should
Anxious cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system, normal condition
Lower inner cavity is a space closed, the least leakage field (when particularly mixing certain soft magnetic materials in paraffin), with
Time simple in construction cost relatively low, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) new sound knot is devised
The pump sealing apparatus closed, has been additionally arranged at the bottom, at piston 23, the barrier film 25 that elastic membraneous material makes, and in the turnover of check valve
Mouthful position, barrier film 25 circumference on use again O shape rubber seal to be filled with sealing, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block 26 is adopted
With playing steel disc and beryllium-bronze as making material, and through the Ageing Treatment of insulation in three hours, use natural air cooling
Mode, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, rise
Arrive rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Embodiment 5:
A kind of hydraulic butterfly valve system with excellent heat dispersion performance as shown in Figure 1, including valve casing 2, spool 3, rotating shaft 4, weight
Hammer 5, hydraulic cylinder 42 and oil feed pump, spool 3 is one-body molded with rotating shaft 4, and spool 3 is arranged in valve casing 2, and weight 5 leads to
Cross connecting rod 43 to be vertically connected with rotating shaft 4, when oil feed pump decompression, be automatically switched off hydraulic butterfly valve.Hydraulic cylinder 42 passes through drive rod
44 are connected with connecting rod 43, and hydraulic cylinder 42 is by oil feed pump fuel feeding.During the work of this hydraulic butterfly valve, hydraulic cylinder 42 drives drive rod 44
Motion, and then spool 3 is rotated in valve casing 2, hydraulic butterfly valve is turned on or off.Piston in described hydraulic cylinder 42
Range is more than the difference of drive rod 44 with the highest and minimum altitude of connecting rod 43 junction point.Set on the internal face of described valve casing 2
It is equipped with rubber sealant, the surface of described rubber sealant is additionally provided with the wearing layer that one layer of nylon is made.
As in figure 2 it is shown, oil feed pump is ultra-magnetic telescopic pump 1, ultra-magnetic telescopic pump 1 is overall vertically-mounted, including the pump housing, surpasses
Magnetostrictive rod 6, output shaft 7, piston component 8, check valve assembly 9, pressing means 10, end cap 11, drive coil 12,
Indirect cooling system, emergency cooling system.The pump housing include inner pump 13 and the outer pump housing 14, inner pump 13 and the outer pump housing 14 it
Between formed annular cooling chamber 15.Driving coil 12 to be arranged in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is installed
On the axis driving coil 12, the lower end of output shaft 7 is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and pump
Body is made up of the soft magnetic materials of high magnetic permeability, in order to ensure to improve the magnetic field intensity put on giant magnetostrictive rod 6 as much as possible
And save material, the length of giant magnetostrictive rod 6 is set to identical with the length driving coil 12.Giant magnetostrictive rod 6 is
Pole shape, is mainly composed of rare earth metal town, dysprosium and magnesium-yttrium-transition metal ferrum etc..
As shown in Figure 3-4, the outer pump housing 14 upwardly extends formation buckling body 16, and the lower horizontal of output shaft 7 is connected with supporting
21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, on the wall body of buckling body 16 with
Being symmetrically arranged with 2 buckling grooves centered by axis, each buckling groove includes the sliding tray 17 vertically arranged, multiple fixing groove
19 and multiple horizontally disposed link slot 18, sliding tray 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22
When being fastened on the fixing groove 19 of varying level position, giant magnetostrictive rod 6 will obtain different grades of precompression.Such as Fig. 1 and
Shown in 5, pressing means 10 is connected with supporting 21 by spring 20, and giant magnetostrictive rod 6 applies precompression, spring 20
It is sleeved on output shaft 7.The applying of precompression can be with appreciable impact magnetostrictive effect.For given magnetic field intensity, apply
One optimum precompression load, can be greatly enhanced the strain of magnetostriction materials: apply a precompression, will make material
Internal magnetic domain turns to the direction vertical with precompression, and material shrinks in the axial direction.When magnetic field intensity applies vertically, magnetic
Farmland rotates, and direction is consistent with magnetization direction, thus creates bigger deformation, namely bigger strain.Pressing means
Be symmetrically arranged with centered by axis on the edge of 10 2 with buckling groove with the use of holding section 22, its shapes and sizes
Corresponding with fixing groove 19, when applying precompression, pressing means to be pressed for 10 times, holding section 22 enters in sliding tray 17, so
After horizontally rotate pressing means 10 and make holding section 22 enter link slot 18, unclamp when arriving the correspondence position of fixing groove 19 and add
Casting die 10, holding section 22 is fastened in fixing groove 19 under spring force.The advantage of this applying precompression mode is:
(1) the integrated weight of pumping system, beneficially lightweight is reduce further by the design of buckling groove;(2) inventor is through grinding
Studying carefully discovery, for one has been designed the ultra-magnetic telescopic pump produced, precompression is to the output flow under different electric currents
Influence curve be not linear, be not even continuous print in the case of having, and under different electric currents and frequency range always
Have a more excellent even optimum corresponding precompression, therefore for and the common operating personnel of unfamiliar this characteristic for, often
Secondary position corresponding to suitable precompression of will finding is a pretty troublesome thing, applies mode by this graduate precompression,
The position that needed for can finding oneself to more convenient and quicker, precompression is corresponding.Such as, when input current is 6A, and frequency is 10HZ
Time, required precompression is about 15MPa, and when changing the condition of input current, operator can be easily according to tool
The size of current of body and frequency size change the position of engaging to change the grade of precompression.Developer can be by through overtesting
The parameter area that each grade precompression of drawing is corresponding is labeled in the surface of buckling body 16 to facilitate operator to use.Specifically
Progression can be obtained by experiment according to practical situation.(3) simultaneously, pre-pressure mechanism is output shaft 7 and piston component 8 carries
Supply reliable restoring force, so that the straight reciprocating motion of piston component 8 is better achieved, ultimately form good pumping action.
Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed with piston 23 through fixed body 24, 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 lived
Plug 23, pump chamber are completely separated with the external world, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every
The elastic properties of materials of film 25 is preferable, when giant magnetostrictive rod 6 shrinks, it is also possible to strengthen the restoring force of piston.Increase except using
The mode of barrier film 25 seals, in order to reach better seal effect, at import and export position, the circle of barrier film 25 of check valve
O shape rubber seal is used again to be filled with sealing on week.
As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both are by contrary side
To being arranged on valve body 39, valve block 26 is beam type, relies on the bending of valve block 26 and replys the folding realizing valve port.Valve
Sheet 26 can be designed to variously-shaped according to actual use requirement, and when it is installed, the cantilever end of valve block 26 is all and import and export
It is in close contact, to guarantee quickly to open and close.When check valve assembly 9 works, when the pressure differential of valve block 26 both sides reaches valve
During the unlatching pressure of sheet 26, valve block 26 is acted on by power, and bend deflection, thus realizes the switch of check valve assembly.
Valve block 26 employing bullet steel disc and beryllium-bronze are as making material, and through the Ageing Treatment of insulation in three hours, use nature sky
The mode of air cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows: super mangneto
Telescopic material, in the magnetic field of change, can produce dilatation, and then drive piston to do straight reciprocating motion.Piston movement causes
Pump chamber changes, and makes pump chamber and the extraneous pressure differential that produces, two check valves under the pressure differential of alternation drives, alternately open and
Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Turning now to Fig. 1, when ultra-magnetic telescopic pump 1 is operated in the feelings that big electric current, high capacity or ambient temperature itself is the highest
Under condition, drive coil 12 to be susceptible to overheated, owing to driving the distance between coil 12 and giant magnetostrictive rod 6 less, drive
The overheated meeting of moving winding 12 makes giant magnetostrictive rod 6 deform, and then causes output flow to change greatly, and the feelings of cutout even occur
Condition, is therefore additionally provided with indirect cooling system, and it includes tubular cooler 27, small-sized cooling blower 28, cooling entrance 29 and
Coolant outlet 30, is inner pump 13 and the form of the outer pump housing 14 by pump body design simultaneously, and inner pump 13 is the softest by heat conduction
Magnetic material is made, and cooling entrance 29 is arranged on the top of the outer pump housing 14, and the bottom of the pump housing 14 is provided with coolant outlet 30 outside,
Tubular cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with tubular cooler 27, cooling
Outlet 30 is connected with tubular cooler 27 by small-sized cooling blower 28, is passed through in the spiral coil cooling tube in tubular cooler 27
Cooling water.In ultra-magnetic telescopic pump 1 running, if be detected that the air temperature value of inner pump 13 inner chamber is higher than setting value
T1, small-sized cooling blower 28 starts automatically, and the heat of inner pump 13 inner chamber is derived to cooling chamber by the wall body of inner pump 13
14, the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in cooling chamber 15 simultaneously, thus reduce driving coil 12
Temperature.The benefit of this indirect cooling is, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevent from driving coil
12 short circuits, pump body design becomes the form of hollow also can effectively alleviate the weight of pump simultaneously, saves soft magnetic materials.Small-sized cooling blower
The power of 28 is 250w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 10A, when frequency is 10HZ,
The safe operation cycle of ultra-magnetic telescopic pump 1 increases 40% before not transforming.
It is provided with base 31 in the lower section of the pump housing, base 31 is provided with two emergent coolant outlets 32, upper at inner pump 13
Portion is provided with emergent cooling entrance 33.It is filled with low melting point, such as in emergent coolant outlet 32 and emergent cooling entrance 33
Paraffin, its fusion temperature T2 > T1, can the material of the most differently configured fusing point, this low melting point is also mixed with
The appropriate soft magnetic materials identical with pump housing material.The cross section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, emergent cooling entrance
The cross section of 33 is arranged to the most tapered trapezoidal shape, can effectively prevent paraffin from not melting and i.e. drop, and can guarantee that melted paraffin wax
Time can direction along design drop smoothly.Emergent coolant outlet 32 is connected with the emergency ventilation chamber 34 being arranged on below,
The lower surface in emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, the other end and row
Wax mouth 35 connects.When the air themperature of inner pump 13 inner chamber is more than T2, send report by alarm device (not shown)
Alert, paraffin starts fusing simultaneously, and the paraffin after melting in emergent coolant outlet 32 falls in emergency ventilation chamber 34, and along tiltedly
Face falls into wax discharging port 35, now meets an urgent need coolant outlet 32 and entrance 33 is opened because of the fusing of paraffin, owing to T2 is more than T1,
The most small-sized cooling blower 28 has run, and the hot-air of inner chamber is directly circulated cold under the drive of small-sized cooling blower 28
But.The advantage of this emergent cooling structure is: the most directly use cooling water, it is to avoid leaks and causes driving the wind of coil 12 short circuit
Danger;Running into compared with (such as load, current swing is big) under extreme high-temperature condition, paraffin just can melt thus start emergent cooling
System, normal condition lower inner cavity is a space closed, and the least leakage field (particularly mixes certain in paraffin
During soft magnetic materials), simple in construction cost is relatively low simultaneously, it is not necessary to use complicated and relatively costly electric-controlled type cooling system.
The end of wax discharging port 35 is airtight by closing element 36, and closing element 36 is bolted on the bottom of base 31.When needing
When wanting de-waxing, unclamp bolt and take off closing element 36 by paraffin discharge.As it is shown in fig. 7, the pump housing and base 31 are by upper and lower two
Point fastening forms, and within the pump shutdown time period (if desired can also on-line operation operation), operator can be by the pump housing and base
31 disassemble and refill paraffin, and clean out and answer the paraffin of residual in cooling chamber 15 and emergency ventilation chamber 34.Emergent cooling
Flow into the paraffin in cooling chamber 15 after entrance 33 fusing could to clear up, it is contemplated that melted paraffin wax is also after the pump housing is dismantled
Non-recurrent event and the volume of cooling chamber 15 is more much bigger than the volume in emergency ventilation chamber 34, actual motion has no effect on
Pump properly functioning.
Preferably, as it is shown in figure 9, be additionally provided with the heat exchanging piece 40 of multiple outwardly convex, heat exchange on the outer surface of inner pump 13
Part 40 entirety is round table-like, and the side of each heat exchanging piece 40 is provided with multiple spiral salient 41, adjacent two spiral salients 41
The hand of spiral contrary, the most previous dextrorotation, later derotation,....The heat exchanging piece 40 of this particular design can be effectively increased sky
Gas and the turbulent flow on inner pump 13 surface, to increase heat exchange efficiency.
In the hydraulic butterfly valve system of this embodiment, (1) this hydraulic butterfly valve system can be precisely controlled the position of spool, especially suitable
The advantages such as in the control of small flow system, and it is good to have radiating condition, and cycle of operation is long, and maintenance is convenient;(2) one is devised
Planting new precompression and apply mechanism, this applying precompression mode reduce further the integrated of pumping system by the design of buckling groove
Weight, beneficially lightweight;Applying mode by this graduate precompression, operator can more convenient and quicker ground simultaneously
The position that needed for finding oneself, precompression is corresponding, can change engaging according to concrete size of current and frequency size easily
Position is to change the grade of precompression, and pre-pressure mechanism is output shaft and piston component provides reliable restoring force, with more
Realize well the straight reciprocating motion of piston component, ultimately form good pumping action;(3) the indirect cooling system of uniqueness is devised
System, can effectively prevent cooling down water and leak into the inner chamber of inner pump 13, prevents from driving coil 12 short circuit, and pump body design becomes hollow simultaneously
Form also can effectively alleviate the weight of pump, save soft magnetic materials, and have employed the heat exchanging piece 40 of uniqueness to strengthen cooling effect;
The power of small-sized cooling blower 28 is 250w, a length of 150mm of giant magnetostrictive rod 6, and driving size of current is 10A, frequently
When rate is 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 40%;(4) Aided design should
Anxious cooling system, under running into more extreme high-temperature condition, paraffin just can melt thus start emergency cooling system, normal condition
Lower inner cavity is a space closed, the least leakage field (when particularly mixing certain soft magnetic materials in paraffin), with
Time simple in construction cost relatively low, it is not necessary to use complicated and relatively costly electric-controlled type cooling system;(5) new sound knot is devised
The pump sealing apparatus closed, has been additionally arranged at the bottom, at piston 23, the barrier film 25 that elastic membraneous material makes, and in the turnover of check valve
Mouthful position, barrier film 25 circumference on use again O shape rubber seal to be filled with sealing, this integral seal mode can reach
To extraordinary sealing effectiveness, it is also possible to strengthen the restoring force of piston;(6) devising applicable one way valve members, valve block 26 is adopted
With playing steel disc and beryllium-bronze as making material, and through the Ageing Treatment of insulation in three hours, use natural air cooling
Mode, drastically increases its elastic performance, and two check valves, under the pressure differential of alternation drives, alternately open and close, rise
Arrive rectified action, finally realize the unidirectional continuous flowing of liquid medium.
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than to scope
Restriction, although having made to explain to the present invention with reference to preferred embodiment, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.