CN207377739U - A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation - Google Patents
A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation Download PDFInfo
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- CN207377739U CN207377739U CN201721327511.XU CN201721327511U CN207377739U CN 207377739 U CN207377739 U CN 207377739U CN 201721327511 U CN201721327511 U CN 201721327511U CN 207377739 U CN207377739 U CN 207377739U
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Abstract
The utility model discloses a kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation, including support system and variable system connected to it, mechanical energy conversion system, hydraulic energy transfer system and electric energy conversion system；Support system includes housing and valve plate etc.；Variable system includes adjusting cylinder, coupling block etc.；Mechanical energy conversion system includes transmission shaft and forward and backward bearing；Hydraulic energy transfer system includes cylinder body, swash plate and plunger etc.；Electric energy conversion system includes rotor coil, stator core, Exciting Windings for Transverse Differential Protection, lead terminal etc..Stator core and its Exciting Windings for Transverse Differential Protection are fixed in the major lumen of housing, are adjusted cylinder and are fixed in its small inner cavity；Transmission shaft is connected synchronous rotation with cylinder body by spline, is acted on by swash plate, and plunger moves back and forth sucking or output hydraulic pressure oil along axis, during specific works, the external direct current of lead terminal is flowed to by adjusting bolt Displacement Regulation and hydraulic pressure, realizes mutually converting between mechanical energy, hydraulic energy and electric energy.With the advantages such as compact-sized, high conversion efficiency, the pressure loss be small, since the adjustable adaptability of discharge capacity is strengthened, application demand and industrialization prospect are wide.
Description
Technical field
The utility model belongs to electromechanical hydraulic power transmission and conversion art, is related to a kind of swash plate variable of DC stator excitation
Formula mechanical electronic hydraulic coupler.
Background technology
There are mainly three types of hydraulic power supplies, conventional motors-pump group, protected type electric-motor pump and electro-hydraulic pump.The above two are all adopted
The mode being connected with motor with liquid pump by connection transmission shaft device, this mode can be brought the shortcomings that many：Shaft coupling decentraction is brought
Noise and vibration；Axial arranging so that its volume and quality are larger；Many places connect and cooperation is so that reliability reduces, and have leakage
Risk；Efficiency is also very low；It and can only output hydraulic pressure energy, it is impossible to the conversion between output mechanical energy and energy.
In the prior art, it can be common that the instrument of the conversion between one or two kinds of various form main energetic, not
Operating mode together, remote outdoor study are chosen in cutfit, are generally required to purchase polytype instrument, be greatly improved
Transport and purchase cost, therefore, it would be highly desirable to propose the conversion between a kind of achievable multiple kinds of energy and flexible modulation, and it is steady to work
Design of Mechanical Structure fixed, noise is small.
Utility model content
The utility model provides a kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation, by direct current generator and axis
Highly integrated to swash plate plunger pump, the rotor of rotor and pump is combined into one, and utilizes the reciprocal fortune of oblique plate plunger pump plunger
It is dynamic, realize the conversion between mechanical energy and hydraulic energy；Rotor coil circumgyration incision magnetic induction line is realized between electric energy and mechanical energy
Conversion, the conversion between hydraulic energy and electric energy utilize variable system Displacement Regulation by mechanical energy indirect conversion, it is suitable to improve it
Should be able to power, which can realize arbitrary conversion and the flexible modulation between three kinds of energy, and simple in structure, work noise is small, body
Product is small, saves the hookup of motor and pump, runs more stable safety.
The utility model is realized using following technical solution：A kind of swash plate variable displacement of DC stator excitation is electromechanical
Liquid coupler, including support system and variable system connected to it, mechanical energy conversion system, hydraulic energy transfer system and electric energy
Conversion system；
The support system includes housing, rear cover, sealing cover and bearing shell；Housing be main support and external member, it is described
Housing includes the inner cavity of two connections, i.e. major lumen and small inner cavity, and the left end of housing is equipped with a circular through hole, which leans on
Annular groove is machined on left end inner wall, and sealing ring is provided in annular groove, which is fore bearing bore；Afterwards
Lid is connected with housing by modes such as bolts, and rear cover is mounted on housing right end, and oil circuit and lower oil circuit are additionally provided in rear cover,
The left side of rear cover is equipped with two oil-distribution ports, and two oil-distribution ports against valve plate, valve plate is further fixedly arranged at major lumen
Respectively with upper oil circuit and lower oil communication；Two supported holes are additionally provided on housing, support nose end is embedded embedded with sealing cover, supported hole
There is bearing shell；Rear bearing block hole is equipped in rear cover left end, valve plate right side centre；
The variable system includes adjusting cylinder, coupling block and retracting spring；Described one end for adjusting cylinder is embedded in housing
In small inner cavity, adjust in cylinder and be provided with pilot plunger, one end of pilot plunger is connected with adjusting bolt, and the nut of adjusting bolt
Positioned at the outside of rear cover, the other end of pilot plunger is connected by hinge with one end of coupling block, and the other end of coupling block with
The retracting spring connection being connected on housing, one end ball-joint of coupling block and the swash plate of hydraulic energy transfer system；
The mechanical energy conversion system includes transmission shaft, fore bearing and rear bearing, and transmission shaft is multi-diameter shaft, and both ends are distinguished
It is connected with fore bearing and rear bearing, and is transition or interference fit with the inner ring of fore bearing, rear bearing, the middle part of transmission shaft is equipped with
External splines, fore bearing and rear bearing are respectively fixedly disposed in fore bearing bore and rear bearing block hole；Transmission shaft is from housing left end
Circular through hole in be pierced by, and with the circular through hole clearance fit；
The hydraulic energy transfer system includes cylinder body, spherical spring seat, return plate and swash plate；The cylinder body is consolidated with transmission shaft
Fixed connection, and be slidably connected with valve plate；Spherical spring seat is connected with transmission shaft, and pressure is equipped between spherical spring seat and cylinder body
Tight spring；The return plate is touched by spherical pair and spherical spring seated connection, is also nested with crawler shoe in return plate, the bottom surface of crawler shoe with
The wedge surface contact of swash plate, the two relative side of swash plate are fixed with a support shaft, and two support shafts, which correspond to, to be mounted on housing
In supported hole, the axis of two support shafts is point-blank, and vertical with the axis of transmission shaft；It is circumferentially uniform along the axis of cylinder body
Multiple plunger holes are distributed with, plunger hole is embedded with guide sleeve, and plunger is set in guide sleeve, and the front end of plunger connects by the way that ball is secondary with crawler shoe
It connects, rear end, cylinder body and the valve plate of plunger form pump chamber；
The electric energy conversion system includes commutator, brush, stator core and rotor coil；The commutator is connected in cylinder
It on body, and is rotated synchronously with cylinder body, and each commutator peripheral radius are identical；The brush includes two, and brush is radially fixed to be had
The inner wall of the major lumen of elastomer, elastomer and housing is connected；Stator core is also known as pole shoe, is the relatively good plates of magnetic permeability
It is formed by stacking, stator core is symmetrically arranged with two along cylinder body axis, and the inner surface of stator core is arc-shaped and same with cylinder body
Axis, outer surface are connected on the inner wall of housing major lumen, and stator core periphery is wound with Exciting Windings for Transverse Differential Protection, two Exciting Windings for Transverse Differential Protection series connection
And the magnetic direction generated is identical, and lead terminal U1 and lead terminal U2 are picked out respectively, with the positive and negative anodes of external direct current power supply；
Rotor coil is inlaid in the outer cylinder of cylinder body, and one end connection two of rotor coil is connected in the commutator on cylinder body.
Further, the inner surface of the brush is equal with commutator appearance radius surface, and has conducting wire on two brushes
It draws, is connected with the DC power supply positive and negative anodes with outside or load.
Further, the bottom of the plunger hole is equipped with an oil-through-hole, which connects with the left side of valve plate, and
The distance of oil-through-hole to cylinder body axis of rotation is consistent with the distance of the oil-distribution port on valve plate to cylinder body axis of rotation.
Further, two oil-distribution ports of the valve plate are kidney-shaped structure, and the interval between two oil-distribution ports
Width is more than the oil-through-hole diameter on the right of plunger hole, to prevent upper oil circuit and lower oil communication.
Further, the inner surface of the brush is equal with the appearance radius surface of commutator, and circumferential lengths are more than two
Spacing distance between commutator, with ensure whenever the commutator and brush contact of at least one rotor coil left end.
Further, the fore bearing and rear bearing are angular contact ball bearing or taper roll bearing.
Further, the fluid in the pump chamber is liquid medium or gas medium.
Further, the plunger hole is interference fitted with guide sleeve.
Further, the quantity of the rotor coil at least there are six, and insulate between each rotor coil
Compared with prior art, it is the advantages of the utility model with good effect：
The swash plate variable displacement mechanical electronic hydraulic coupler for the DC stator excitation that this programme proposes, by the rotor of motor and turn of pump
Son is combined into one, and saves the mechanical connection of motor and pump；And stator increases magnetic field intensity using the method for DC excitation, structure is tight
It gathers, transmission efficiency is high；Three kinds of energy of mechanical electronic hydraulic can be according to different demands arbitrarily conversion and flexible modulation；The discharge capacity of hydraulic pressure can
Adjust the adaptability for more improving the utility model.It realizes and mutually turns two-by-two between mechanical energy, hydraulic energy and electric energy three
Change, the energy of any form can be converted into the energy of other two kinds of forms simultaneously, and the energy of any two form can be with
The energy of another form is converted into simultaneously；
This programme uses the thought of total normalized rate design, mutually chimeric, dexterously realizes the coupling of mechanical electronic hydraulic and right
What should be able to be measured mutually converts, and fluid working medium can be the various media such as Oil, Water, Gas body, has compact-sized, transfer efficiency
It is high, the pressure loss is small, the advantages such as small, since the adjustable adaptability of discharge capacity is strengthened, and it runs more stable safety, suitable for long distance
From outdoor study and cutfit is chosen, application demand and industrialization prospect are wide.
Description of the drawings
Fig. 1 is the main structure diagram after coupler described in the utility model embodiment is splitted；
Fig. 2 is the left view structural representation after coupler described in the utility model embodiment is splitted；
Fig. 3 is that coupler swash plate described in the utility model embodiment fixes schematic diagram；
Wherein：In above each figure, 1, transmission shaft；2nd, sealing ring；3rd, fore bearing；4th, housing；5th, swash plate；6th, return plate；8、
Elastomer；9th, brush；10th, commutator；11st, rotor coil；12nd, cylinder body；13rd, valve plate；14th, upper oil circuit；15th, rear cover；16th, after
Bearing；17th, lower oil circuit；18th, plunger；19th, cylinder sleeve；20th, stator core；23rd, crawler shoe；24th, cylinder is adjusted；25th, holddown spring；26、
Spherical spring seat；27th, hinge；28th, coupling block；29th, retracting spring；30th, pilot plunger；31st, adjusting bolt；32nd, sealing cover；
33rd, bearing shell；U1, U2 are lead terminal.
Specific embodiment
In order to which the above-mentioned purpose of the utility model, feature and advantage are more clearly understood, below in conjunction with the accompanying drawings and
Embodiment is described further the utility model.It should be noted that in the case where there is no conflict, embodiments herein and
Feature in embodiment can be mutually combined, it is necessary to illustrate be described in the present embodiment it is left and right wait position relationships with shown in Fig. 1
Subject to direction.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to implement using different from other modes described here, the utility model is not limited to following public specific
Embodiment.
A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation including support system, further includes and support system
Variable system, mechanical energy conversion system, hydraulic energy transfer system and the electric energy conversion system of system connection.
As shown in figures 1 and 3, the support system includes housing 4, rear cover 15, upper oil circuit 14, lower oil circuit 17, sealing ring
2nd, the structures such as valve plate 13, sealing cover 32, bearing shell 33.Housing 4 is main support and external member, there are two the inner cavity of connection,
The left-half of adjusting cylinder 24 of the small inner cavity embedded with variable system, major lumen have hydraulic energy transfer system, electric energy conversion system
And the main components of mechanical energy conversion system.The left end of housing 4 has a circular through hole, the transmission shaft 1 of mechanical energy conversion system
It is therefrom pierced by, which is clearance fit with transmission shaft 1；The circular through hole is close by being machined with annular groove on left end inner wall
Seal 2 is placed wherein, to prevent the lubricating oil in housing 4 from leaking outside；The circular through hole right end is fore bearing bore, and mechanical energy converts
For the fore bearing 3 of system in the hole, outer ring and the fore bearing bore of fore bearing 3 are in transition or interference fit.
4 the right of housing is rear cover 15, can be connected with housing 4 by modes such as bolts.15 left side of rear cover, opposite housing 4
Valve plate 13 is fixed at major lumen, connection mode can be the forms such as screw connection, welding, bonding.Oiling in rear cover 15
Road 14, lower oil circuit 17 are connected to two oil-distribution ports of valve plate 13 respectively.15 left end of rear cover, 13 right side centre of valve plate
There are a rear bearing block hole, the rear bearing 16 of built-in mechanical energy conversion system.15 left end of rear cover, against housing 4 small inner cavity at have
One hole, the right half part of the adjusting cylinder 24 embedded with variable system, the right adjusting bolt led to a threaded hole, be screwed with variable system in the hole
31, the nut of adjusting bolt is located on the outside of rear cover.
As shown in Fig. 2, two stator cores 20 of electric energy conversion system are fixed in the imperial palace cavity wall of housing 4 and its are encouraged
Magnetic winding 21, two stator cores 20 are symmetrical in 4 major lumen of housing, and angular interval is 180 degree.As can be seen that housing in Fig. 1
The elastomer 8 of two electric energy conversion systems is also fixed in 4 imperial palace cavity wall.Against small inner cavity axis in the left inside cavity wall of housing 4
The fixed variable system in position retracting spring 29.There are two supported holes, support nose end on housing 4 to be embedded with sealing cover 32,
To prevent lubricating oil from leaking outside, supported hole is embedded with bearing shell 33, and 33 inner support of bearing shell two of the swash plate 5 of hydraulic energy transfer system
Support shaft.
With continued reference to Fig. 1, the variable system includes adjusting cylinder 24, hinge 27, coupling block 28, retracting spring 29, adjusting
The structures such as plunger 30, adjusting bolt 31.Adjusting cylinder 24 is cylinder-like structure, and left-half, right half part are inlaid in support respectively
In the housing 4 of system and the lumen pore of rear cover 15.24 endoporus of cylinder is adjusted equipped with pilot plunger 30, the cooperation of the two small―gap suture.Adjustable column
It fills in 30 right ends and heads on 31 bottom of adjusting bolt, adjusting bolt 31 is screwed in the threaded hole of rear cover 15.The left end of pilot plunger 30 with
27 one end of hinge is hinged, and the other end and coupling block 28 of hinge 27 are hinged.There is a ball-and-socket on coupling block 28, with hydraulic energy transfer system
The bulb cooperation of the control arm of the swash plate 5 of system.28 left end of coupling block is connected with 29 one end of retracting spring, retracting spring 29 it is another
End is fixed in the cavity wall of housing 4.The structure of the utility model variable system can also be other automatically controlled, hydraulic controls and Mechanical course
Form.
Mechanical energy conversion system includes transmission shaft 1, fore bearing 3, rear bearing 16.Transmission shaft 1 is supported on fore bearing 3, rear axle
It holds in 16, the inner ring with fore bearing 3, rear bearing 16 is transition or interference fit.1 left end of transmission shaft is from the housing 4 of support system
Circular hole on wall surface is pierced by, and can be coupled with load or power set, is mechanical energy energy input/output terminal.Transmission shaft 1 is multi-diameter shaft,
There is the right edge that a shaft shoulder leans against 3 inner ring of fore bearing on the left side, and transmission shaft 1 is prevented to be moved to the left；The right has a shaft shoulder to lean against rear bearing
The left edge of 16 inner rings, prevents transmission shaft 1 from moving right.There are external splines, external splines and hydraulic energy transfer system in 1 middle part of transmission shaft
The internal spline engagement of cylinder body 12, spherical spring seat 26, transmission shaft 1 are rotated synchronously with cylinder body 12, spherical spring seat 26, the present embodiment
Middle fore bearing 4, rear bearing 16 can be the forms such as angular contact ball bearing or taper roll bearing, be not limited secondary.
Hydraulic energy transfer system includes swash plate 5, return plate 6, cylinder body 12, plunger 18, cylinder sleeve 19, crawler shoe 23, holddown spring
25th, the structures such as spherical spring seat 26.Cylinder body 12 is generally in the form of a column revolving body, and right side is contacted with valve plate 13, can be opposite
It slides, internal splined hole and multiple plunger holes, the internal spline of internal splined hole and the transmission of mechanical energy conversion system is formed in cylinder body 12
External splines engagement on axis 1, plunger hole preferably 6 or more, 12 axis of opposing cylinder is circumferentially uniformly distributed.The bottom of each plunger hole
There is an oil-through-hole in portion, and one through to the left side of valve plate 13, oil-through-hole to the distance and valve plate of 12 axis of rotation of cylinder body
The distance of oil-distribution port to 12 axis of rotation of cylinder body on 13 is consistent.The first half of each plunger hole is embedded with guide sleeve 19, plunger
Hole is interference fitted with guide sleeve 19.It is plunger 18 in guide sleeve 19, plunger 18 coordinates with guide sleeve 19 for small―gap suture, and guide sleeve 19 is to plunger 18
There are guiding and sealing function, the plunger hole on 18 the right of plunger is known as pump chamber.
18 left end of plunger is bulb, is connected to form plunger-crawler shoe component with crawler shoe 23 by flexural pivot, structure and inclined disc type column
Plunger-crawler shoe the component for filling in pump is consistent.The bottom surface of crawler shoe 23 is contacted with wedge surface, that is, upper surface of swash plate 5, and wedge surface is compared with machinery
The vertical plane of the axis of the transmission shaft 1 of energy conversion system has certain angle, which is known as deflecting angle.The top of crawler shoe 23 is pressed with
Return plate 6, return plate 6 are contacted with spherical spring seat 26 by spherical pair, and 26 right part of spherical spring seat has spring base hole, built-in pressure
Tight spring 25,25 the right of holddown spring is cylinder body 12, and holddown spring 25 is compressed by spherical spring seat 26 and cylinder body 12 and generates bullet
Crawler shoe 23 is pressed against on the wedge surface of swash plate 5 by power, the elastic force always by spherical spring seat 26 and return plate 6.The deviation of swash plate 5
The distance of angle and plunger hole to 12 axis of rotation of cylinder body determines the size of 18 stroke of plunger.
When changing the deflecting angle of swash plate 5 by variable system, the stroke alteration of plunger 18, then the discharge capacity of this programme also phase
It should change.12 outer cylinder of cylinder body and right side fluting are to be fixedly mounted with the rotor coil 11 of electric energy conversion system, the slot edge on outer cylinder
Outer cylinder axis direction and opposite outer cylinder axis is symmetrical two-by-two, the symmetrical slot of each two connects further through the slot of 12 right side of cylinder body
It is logical.The structure of valve plate 13 is consistent with the port plate structure of swash plate plunger pump, there are two kidney-shaped flow window, respectively with rear cover 15
Interior upper oil circuit 14 or lower oil circuit 17 communicates, and when being oil entered window for one, another is oil extraction window.Two oil-distribution ports it
Between interval width should be greater than oil-through-hole diameter on the right of plunger hole, connected to prevent upper oil circuit 14 with lower oil circuit 17.
In addition, electric energy conversion system includes elastomer 8, brush 9, commutator 10, rotor coil 11, stator core 20, encourages
The structures such as magnetic winding 21, lead terminal U1, lead terminal U2.Stator core 20 is also known as pole shoe, is the relatively good sheet of magnetic permeability
Body is formed by stacking, to reduce current vortex heat；The inner surface of stator core 20 is circular arc, and the circular arc and cylinder body 12 are coaxial, appearance
Face is connected on the inner wall of 4 major lumen of housing.20 periphery of stator core is wound with Exciting Windings for Transverse Differential Protection 21, and two Exciting Windings for Transverse Differential Protection 21 are connected,
Pick out two lead terminals U1, U2, external direct current power supply positive and negative anodes.The coil winding-direction of Exciting Windings for Transverse Differential Protection 21 to ensure two excitations around
The magnetic direction that group 21 generates is identical, and a N is extremely inside, then another S is extremely inside, and vice versa.
Using this structure design, the rotor of electric energy conversion system is exactly rotor coil 11 and the cylinder body of hydraulic energy transfer system
12, the rotor of the rotor of motor and pump is combined into one.Rotor coil 11 is inlaid in 12 outer cylinder of cylinder body and the groove of right part
Interior, the part in outer cylinder groove is opposed in 180 degree, and the part in the groove of right part can be connected with various paths, but cannot
Cause hydraulic leak.11 numbers of rotor coil are more, and the induced potential fluctuation of electrokinetic moment or generation is smaller.Rotor coil 11 is left
Side both ends connect two commutators 10 respectively, insulate between each rotor coil 11, and commutator 10 is connected on cylinder body 12, with cylinder body
12 rotate synchronously, and each 10 peripheral radius of commutator are identical, and the spacing distance between two commutators is less than the circumferential lengths of brush 9.
There are two brushes 9, and inner surface is equal with 10 appearance radius surface of commutator, due to circumferential lengths be more than commutator 10 between
Gauge is from whenever the commutator 10 of at least one 11 left end of rotor coil is contacted with brush 9.It is led on two brushes 9
Line is drawn, and can be connected with the DC power supply positive and negative anodes of outside or load.9 radial direction intrinsic elasticity body 8 of brush, elastomer 8 and support
The inner wall of the major lumen of the housing 4 of system is connected.
If deflecting angle is just, then deflecting angle is negative when being tilted to the right, and vice versa when 5 wedge surface of swash plate is tilted to the left, deviate
Angle it is positive and negative determine oil circuit, in lower oil circuit hydraulic oil disengaging flow direction, deflecting angle absolute value is bigger, the row of the utility model
Amount is bigger, and the discharge capacity of the utility model is zero when deflecting angle is zero.When adjusting deflecting angle size and Orientation, by turning adjusting spiral shell
Bolt 31 changes the position for adjusting the pilot plunger 30 in cylinder 24, then drives swash plate 5 around two by hinge 27, coupling block 28
Support shaft rotates, so as to adjust deflecting angle size and Orientation.When adjusting bolt 31 to the right when, retracting spring 29 promote coupling block
28th, hinge 27 and pilot plunger 30 move to right, and pilot plunger 30 is made to be contacted always with 31 bottom of adjusting bolt.Coupling block 28 drives tiltedly
Disk 5 is rotated around two support shaft, to adjust deflecting angle size and Orientation, and then changes the discharge capacity and hydraulic oil of the utility model
Disengaging flow direction.
It specifically, during utility model works, can mutually convert, appoint two-by-two between mechanical energy, hydraulic energy, electric energy three
What a form of energy can be converted into the energy of other two kinds of forms simultaneously, and the energy of any two form can turn simultaneously
Turn to the energy of another form；It is most basic operating mode that arbitrary two kinds of energy, which mutually convert, remaining operating mode is most
The derivative of basic working modes, principle are as follows：
The mutual conversion of electric energy and mechanical energy：As motor when electric energy is converted into mechanical energy：Exciting Windings for Transverse Differential Protection 21 at this time
Two external DC voltages of lead terminal U1, U2, Exciting Windings for Transverse Differential Protection 21 and stator core 20 generate electromagnetic field.It is outer on two brushes 9
The positive and negative anodes of DC power supply are connect, electric current is generated on rotor coil 11, by electromagnetic field effect and then electromagnetic torque is generated, drives cylinder
Body 12 rotates synchronously, then by spline transmission shaft 1 is driven to rotate synchronously external output mechanical energy, realizes that electric energy turns to mechanical energy
Change.And as generator when being converted into electric energy by mechanical energy, at this time external direct currents of the two of Exciting Windings for Transverse Differential Protection 21 lead terminal U1, U2
Voltage, Exciting Windings for Transverse Differential Protection 21 and stator core 20 generate electromagnetic field, and external impetus driving transmission shaft 1 rotates, then is driven by spline
Cylinder body 12, rotor coil 11, commutator 10 rotate synchronously, and 11 cutting magnetic line of rotor coil generates induced potential, passes through commutation
Device 10 and brush 9 externally export electric energy, realize mechanical energy to electric transformation of energy.
The mutual conversion of electric energy and hydraulic energy：When electric energy is converted into hydraulic energy, two lead ends of Exciting Windings for Transverse Differential Protection 21 at this time
The sub- external DC voltage of U1, U2, Exciting Windings for Transverse Differential Protection 21 and stator core 20 generate fixed electromagnetic field.It is external straight on two brushes 9
The positive and negative anodes in galvanic electricity source generate electric current by commutator 10 on rotor coil 11, by electromagnetic field effect and then generate electromagnetic force
Square drives the synchronous rotations such as cylinder body 12, plunger 18, crawler shoe 23, in the thrust of 5 wedge surface of swash plate and the elastic force effect of holddown spring 25
Under, plunger 18 makees axially reciprocating while being circumferentially rotated with cylinder body 12, when plunger 18 is to left movement, low pressure oil constantly by
Upper oil circuit 14 (or lower oil circuit 17) enters, by the oil-distribution port on valve plate 13, into pump chamber；When plunger 18 moves right
When, oil pressure rise in pump chamber, high pressure oil is constantly by pump chamber by oil-distribution port, (or the upper oil circuit of lower oil circuit 17 on valve plate 13
14) externally output realizes electric energy to hydraulic pressure transformation of energy.When by hydraulic energy transfer being electric energy, the two of Exciting Windings for Transverse Differential Protection 21 at this time
The external DC voltage of lead terminal U1, U2, Exciting Windings for Transverse Differential Protection 21 and stator core 20 generate fixed electromagnetic field.High pressure oil is not at this time
It is disconnected to be entered by upper oil circuit 14 (or lower oil circuit 17), by the oil-distribution port on valve plate 13, into pump chamber, promote plunger 18 left
It moves, since swash plate 5 is fixed, by the thrust of 5 wedge surface of swash plate, plunger 18 just drives cylinder body 12 and rotor line with crawler shoe 23
Circle 11 rotates, and plunger 18 starts to move right after turning over certain angle, and the hydraulic oil in pump chamber is by corresponding on valve plate 13
Oil-distribution port, low pressure oil are constantly flowed out by lower oil circuit 17 (or upper oil circuit 14).11 cutting magnetic line of rotor coil generates electricity of inducting
Pressure externally exports electric energy by commutator 10 and brush 9, realizes hydraulic energy to electric transformation of energy.
Mechanical energy and hydraulic energy mutually convert：It is hydraulic pump when mechanical energy is converted into hydraulic energy, external impetus at this time
Driving transmission shaft 1 rotates, then by synchronous rotations such as spline drivig cylinder 12, plunger 18, crawler shoes 23, in pushing away for 5 wedge surface of swash plate
The lower plunger 18 of the elastic force of power and holddown spring 25 effect moves back and forth, and when plunger 18 is to left movement, low pressure oil is constantly by oiling
Road 14 (or lower oil circuit 17) enters, by the oil-distribution port on valve plate 13, into pump chamber；When plunger 18 moves right, pump
Intracavitary oil pressure raises, and high pressure oil is constantly right by oil-distribution port, the lower oil circuit 17 (or upper oil circuit 14) on valve plate 13 by pump chamber
Outer output realizes mechanical energy to hydraulic pressure transformation of energy.And hydraulic energy transfer is when being mechanical energy, is hydraulic motor, high pressure at this time
Oil is constantly entered by upper oil circuit 14 (or lower oil circuit 17), by the oil-distribution port on valve plate 13, into pump chamber, promotes plunger 18
It moves to left, since swash plate 5 is fixed, by the thrust of 5 wedge surface of swash plate, plunger 18 just drives cylinder body 12 to rotate with crawler shoe 23,
Plunger 18 moves right after turning over certain angle, and the hydraulic oil in pump chamber is by corresponding oil-distribution port on valve plate 13, low pressure
Oil is constantly flowed out by lower oil circuit 17 (or upper oil circuit 14).Cylinder body 12 rotates, then by spline transmission shaft 1 is driven to rotate synchronously externally
Output mechanical energy realizes hydraulic energy to mechanical transformation of energy.
It can in addition contain realize the energy that can be converted into another form simultaneously of two kinds of forms in the utility model, with
Mechanical energy and electric energy illustrate exemplified by converting hydraulic energy simultaneously：When mechanical energy is converted into hydraulic energy, when the hydraulic energy that the external world needs
It during the torque that can be provided more than mechanical energy, is powered and generates magnetic field, make the torque of transmission shaft increase, by mechanical energy and electric energy superposition
Output simultaneously is hydraulic energy.Main to be needed load more than after maximum load, the output of single energy is unable to reach needs
Load, then the rotating speed of transmission shaft will be declined, increase the energy that is additionally superimposed can make rotating speed of transmission shaft keep or
Increase, therefore can realize that two kinds of energy suppositions are converted into the situation of another energy.Other forms conversion is same as described above,
This is not repeated.
In short, the rotor of the rotor of motor and pump is combined into one by the utility model, the mechanical connection of motor and pump is saved,
Stator increases magnetic field intensity using the method for DC excitation, compact-sized, and transmission efficiency is high, and three kinds of energy of mechanical electronic hydraulic can be with
It is mutually converted according to different demands.The discharge capacity of hydraulic pressure can adjust the adaptability for more improving the utility model, realize
Direct current quantifies the coupling of mechanical electronic hydraulic and mutually converting for corresponding energy, compact-sized, energy conversion rate is high, since discharge capacity is adaptable
Answering property is strengthened, and application demand and industrialization prospect are wide.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
Any simple modification, equivalent variations and the remodeling made with new technical spirit to above example, it is new to still fall within this practicality
The protection domain of type technical solution.
Claims (9)
1. a kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation, which is characterized in that including support system and and its
Variable system, mechanical energy conversion system, hydraulic energy transfer system and the electric energy conversion system of connection；
The support system includes housing, rear cover, sealing cover and bearing shell；The housing includes the inner cavity of two connections, i.e. imperial palace
Chamber and small inner cavity, the left end of housing are equipped with a circular through hole, and the circular through hole on left end inner wall by being machined with annular groove, annular groove
Sealing ring is inside provided with, circular through hole right end is fore bearing bore；Rear cover is mounted on housing right end, is additionally provided with and oils in rear cover
Road and lower oil circuit, valve plate is further fixedly arranged at the left side of rear cover place opposite with major lumen, and valve plate is equipped with two flows
Window, and two oil-distribution ports respectively with upper oil circuit and lower oil communication；Two supported holes are additionally provided on housing, sealing cover is embedded in branch
Nose end is supportted, bearing shell is embedded in supported hole；In addition it is equipped with rear bearing block hole in rear cover left end, valve plate right side centre；
The variable system includes adjusting cylinder, coupling block and retracting spring；Described one end for adjusting cylinder is embedded in the small interior of housing
In chamber, adjust in cylinder and be provided with pilot plunger, one end of pilot plunger is connected with adjusting bolt, and the nut of adjusting bolt is located at
The outside of rear cover, the other end of pilot plunger are connected by hinge with one end of coupling block, and the other end of coupling block is with being connected
Retracting spring connection on housing, one end ball-joint of coupling block and the swash plate of hydraulic energy transfer system；
The mechanical energy conversion system includes transmission shaft, fore bearing and rear bearing, and transmission shaft is multi-diameter shaft, both ends respectively with it is preceding
Bearing is connected with rear bearing, and the middle part of transmission shaft is equipped with external splines, and fore bearing and rear bearing are respectively fixedly disposed at front-end bearing pedestal
In hole and rear bearing block hole；Transmission shaft is pierced by from the circular through hole of housing left end, and with the circular through hole clearance fit；
The hydraulic energy transfer system includes cylinder body, spherical spring seat, return plate and swash plate；The cylinder body is fixed with transmission shaft to be connected
It connects, and is slidably connected with valve plate；Spherical spring seat is connected with transmission shaft, and is equipped between spherical spring seat and cylinder body and compresses bullet
Spring；The return plate is touched by spherical pair and spherical spring seated connection, and crawler shoe, the bottom surface of crawler shoe and swash plate are also nested in return plate
Wedge surface contact, the two relative side of swash plate is fixed with a support shaft, and two support shafts correspond to the support being mounted on housing
In hole, the axis of two support shafts is point-blank, and vertical with the axis of transmission shaft；It is moreover, circumferentially equal along the axis of cylinder body
Even that multiple plunger holes are distributed with, plunger hole is embedded with guide sleeve, and plunger is set in guide sleeve, and the front end of plunger connects by the way that ball is secondary with crawler shoe
It connects, rear end, cylinder body and the valve plate of plunger form pump chamber；
The electric energy conversion system includes commutator, brush, stator core and rotor coil；The commutator is connected in cylinder body
On, and rotated synchronously with cylinder body, and each commutator peripheral radius are identical；The brush includes two, and brush is radially fixed bullet
The inner wall of the major lumen of property body, elastomer and housing is connected；Stator core is symmetrically arranged with two along cylinder body axis, stator core
Inner surface to be arc-shaped and coaxial with cylinder body, outer surface is connected on the inner wall of housing major lumen, stator core periphery around
There is Exciting Windings for Transverse Differential Protection, the magnetic direction that two Exciting Windings for Transverse Differential Protection are connected and generated is identical, and picks out lead terminal U1 and lead end respectively
Sub- U2；Rotor coil is inlaid in the outer cylinder of cylinder body, and one end connection two of rotor coil is connected in the commutator on cylinder body.
2. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 1, it is characterised in that：The inner surface of the brush with
Commutator appearance radius surface is equal, and has conducting wire extraction on two brushes, to be connected with outer DC power supply positive and negative anodes or load.
3. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 1, it is characterised in that：The bottom of the plunger hole is set
There is an oil-through-hole, which connects with the left side of valve plate, and oil-through-hole is to the distance and valve plate of cylinder body axis of rotation
On oil-distribution port to cylinder body axis of rotation distance it is consistent.
4. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 3, it is characterised in that：Two of the valve plate match somebody with somebody
Stream window is kidney-shaped structure, and the interval width between two oil-distribution ports is more than the oil-through-hole diameter on the right of plunger hole.
5. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 1, it is characterised in that：The inner surface of the brush with
The appearance radius surface of commutator is equal, and circumferential lengths are more than the spacing distance between two commutators.
6. according to claim 1-5 any one of them swash plate variable displacement mechanical electronic hydraulic couplers, it is characterised in that：In the pump chamber
Fluid be liquid medium or gas medium.
7. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 6, it is characterised in that：The fore bearing and rear bearing
For angular contact ball bearing or taper roll bearing.
8. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 7, it is characterised in that：The plunger hole and guide sleeve mistake
It is full of cooperation.
9. swash plate variable displacement mechanical electronic hydraulic coupler according to claim 8, it is characterised in that：The quantity of the rotor coil
There are six at least, and insulate between each rotor coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721327511.XU CN207377739U (en) | 2017-10-16 | 2017-10-16 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721327511.XU CN207377739U (en) | 2017-10-16 | 2017-10-16 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
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| Publication Number | Publication Date |
|---|---|
| CN207377739U true CN207377739U (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721327511.XU Withdrawn - After Issue CN207377739U (en) | 2017-10-16 | 2017-10-16 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
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| CN (1) | CN207377739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620686A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
-
2017
- 2017-10-16 CN CN201721327511.XU patent/CN207377739U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620686A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
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