CN107559170A - A kind of squirrel-cage mechanical electronic hydraulic integrated power device - Google Patents
A kind of squirrel-cage mechanical electronic hydraulic integrated power device Download PDFInfo
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- CN107559170A CN107559170A CN201710959471.9A CN201710959471A CN107559170A CN 107559170 A CN107559170 A CN 107559170A CN 201710959471 A CN201710959471 A CN 201710959471A CN 107559170 A CN107559170 A CN 107559170A
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Abstract
The present invention relates to energy conversion device technical field, and in particular to a kind of squirrel-cage mechanical electronic hydraulic integrated power device.The structural principle and functional characteristics of the integrated squirrel-cage motor of the present invention and axial variable displacement plunger pump, rotor is fixed on outer wall of cylinder block, stator core is fixed on inner walls with stator winding, when leading to three-phase alternating current to stator coil, stator winding forms rotating excitation field in the presence of AC power, magneticaction between magnetic pole makes rotor around drive axis, and drives plunger to work, and realizes the coupling of three kinds of power of mechanical electronic hydraulic.The variable displacement mouse-cage type mechanical electronic hydraulic integrated power device of the present invention realize conversion of the electric energy to mechanical energy and hydraulic energy, hydraulic energy and mechanical energy mutual conversion, electric energy and mechanical energy and meanwhile be converted into hydraulic energy, electric energy and hydraulic energy while be converted into mechanical energy, discharge capacity is variable, it is compact-sized, energy conversion rate is high, application demand and industrialization prospect are wide.
Description
Technical field
The present invention relates to energy conversion device technical field, and in particular to a kind of squirrel-cage mechanical electronic hydraulic integrated power device.
Background technology
Variable cam-type axial piston pump, in light weight due to small volume, hydraulic servo stroking mechanism is simple, and inertia is small, therefore
It is more suitable for mobile device with automatic control system as hydraulic power supply.Variable cam-type axial piston pump is Modern hydraulic
Widely used dynamical element in transmission system, moved back and forth using the plunger parallel with power transmission shaft in plunger hole, make plunger cavity
Volume changes output hydraulic pressure, and the various control modes such as constant pressure, constant current and invariable power are neatly realized using stroking mechanism, turn into liquid
The important motivity source of dynamical element and executive component in pressure system.But the power resources of axial plunger pump must rely on the external world
The input of element, the most frequently used power source are exactly motor, are consequently formed motor-plunger pump system.
Above-mentioned energy combined system can only convert electrical energy into fluid pressure energy, while motor-plunger pump system structure
Loosely, volume is big, and mass-power ratio is small, and the mechanical loss of conventional motors and shaft coupling is big and noise is big, energy conversion efficiency
Low, system production cost is high, seriously polluted with operating cost.
The protected type electric-motor pump of axial alignment, electro-hydraulic pump of height fusion type etc. can overcome the disadvantage of aforementioned system
End, motor and hydraulic pump are combined into one, co-rotor, altogether housing, the novel hydraulic power unit of height fusion, the text of this respect
Offer and patent also very abundant.But they all can not simultaneously output mechanical energy and hydraulic energy, it is impossible to realize mechanical energy and hydraulic energy
Between mutual conversion, do not possess the electrically driven (operated) function of hydraulic energy power-assisted.
The content of the invention
Or it is an object of the invention to overcome in the prior art power set function it is single, or loosely organized, volume
Greatly, the drawbacks of energy conversion efficiency is low, there is provided a kind of variable displacement mouse-cage type mechanical electronic hydraulic integrated power device, the integrated mouse cage of the present invention
The structural principle and functional characteristics of formula motor and axial variable displacement plunger pump, rotor is fixed on outer wall of cylinder block, stator core with
Stator winding is fixed on inner walls, when leading to three-phase alternating current to stator coil, stator winding shape in the presence of AC power
Into rotating excitation field, the magneticaction between magnetic pole makes rotor around drive axis, and drives plunger to work, and realizes that three kinds of mechanical electronic hydraulic is dynamic
The coupling of power.
To achieve these goals, the present invention adopts the following technical scheme that：A kind of squirrel-cage mechanical electronic hydraulic integrated power device,
Including housing, the left end of the housing is provided with end cap, and a wedge surface is provided with the right side of end cap, and the left side of piston shoes connects with wedge surface
Touch, and can be rotated relative to wedge surface；
Extended internally a boss on the inside of the housing right-hand member, and valve plate is fixed with boss, is provided with the valve plate
Two oil-distribution ports, the right-hand member of the housing are provided with two holes up and down, and upper oil circuit and lower oil circuit are respectively from upper and lower two holes
Draw, upper oil circuit and lower oil circuit are connected with two oil-distribution ports of valve plate respectively；
Cylinder body is provided with the left of the valve plate, cylinder body is integrally in the form of a column revolving body, the right side of cylinder body and valve plate
Left side be in contact, and can be slided relative to cylinder body is relative, be provided with multiple plunger holes in cylinder body, plunger hole surrounds cylinder body
Axis of rotation be circumferentially uniformly distributed, be provided with oil-through-hole on the right side of plunger hole, a left side for oil-through-hole connection plunger hole and valve plate
End face, the right-hand member of plunger are arranged in plunger hole, and left end is bulb, and the bulb of plunger is connected to form post by ball pivot with piston shoes
Plug-slippery boots assembly, return plate is pressed with the right side of piston shoes, spherical spring seat, return plate and sphere are provided with the center of return plate
Spring base is contacted by spherical pair, and spherical spring is made right part seam and connect built with diaphragm spring, right-hand member and the cylinder body of diaphragm spring
Touch, and compress；
Circular hole is provided with the middle part of end cap, left bearing bore is also equipped with the middle part of the wedge surface set on the left of end cap, cylinder body
Internal splined hole is provided with axis of rotation, right axle bearing hole, circular hole, the left shaft holder of end cap are provided with end cap right boss
Hole, spherical spring seat, internal splined hole and right axle bearing hole are coaxially disposed, and the left end of power transmission shaft sequentially passes through spherical spring seat, a left side
The circular hole of bearing saddle bore and end cap reaches the outside of end cap, and the right-hand member of power transmission shaft passes through internal splined hole, is arranged on right axle bearing hole
It is interior；External splines is provided with the middle part of power transmission shaft, internal spline, the external splines difference of power transmission shaft are also equipped with the inside of spherical spring seat
It is meshed with the internal spline of cylinder body internal spline and spherical spring seat, cylinder body and spherical spring seat synchronous axial system can be driven；
With being fixed with three stator cores on the inwall of housing, stator core periphery is wound with stator winding, cylinder body it is outer
Side is provided with several cage type conductors, and several cage type conductors are set parallel to the axis of rotation of cylinder body, cage type conductor and cylinder body
Between insulate；Connected between three stator winding, lead terminal U, V, W, the external three-phase of lead terminal U, V, W are picked out between winding
Alternating voltage.
Further, the end cap coordinates with transmission shaft clearance, and annular groove is machined with the circular-hole internal-wall of the end cap, its
Inside it is provided with sealing ring.
Further, it is mounted on bearing block in the left bearing bore and right axle bearing hole, power transmission shaft and bearing block
Inner ring transition or interference fit.
Further, the power transmission shaft is multi-diameter shaft, and power transmission shaft left end has a shaft shoulder to lean against left bearing bore inner pedestal
Right edge, power transmission shaft right-hand member has the left edge that a shaft shoulder leans against right axle bearing hole inner pedestal.
Further, the bearing block is angular contact ball bearing or taper roll bearing.
Further, the oil-through-hole returns to the distance of cylinder body axis of rotation with the oil-distribution port on valve plate to cylinder body
The distance of shaft axis is consistent, and the width on valve plate between two oil-distribution ports is more than the diameter of oil-through-hole.
Further, the plunger hole is at least 6.
Further, stator core plates made of permeability magnetic material are formed by stacking, and the inwall of stator core is
Arc-shaped, the inwall and cylinder body of arc-shaped are coaxial.
The variable displacement mouse-cage type mechanical electronic hydraulic integrated power device of the present invention realizes electric energy to mechanical energy and turn of hydraulic energy
Change, mutual conversion, electric energy and the mechanical energy of hydraulic energy and mechanical energy while be converted into hydraulic energy, electric energy and hydraulic energy while convert
For mechanical energy, discharge capacity is variable, compact-sized, energy conversion rate is high, and application demand and industrialization prospect are wide.
Brief description of the drawings
Fig. 1 is the front view after mouse-cage type mechanical electronic hydraulic integrated power device of the present invention is splitted；
Fig. 2 is the left view after mouse-cage type mechanical electronic hydraulic integrated power device of the present invention is splitted；
In above-mentioned figure：1- sealing rings；2- bearing blocks；3- end caps；4- spherical spring seats；6- cylinder bodies；8- cage modle conductors；9- determines
Sub- iron core；10- stator winding；The upper oil circuits of 11-；Oil circuit under 12-；13- valve plates；14- housings；15- plungers；16- diaphragm springs；
17- return plates；18- piston shoes；20- power transmission shafts.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
A kind of squirrel-cage mechanical electronic hydraulic integrated power device, as shown in figure 1, including housing 14, the inner chamber of housing 14 is substantially
In cylinder, the left end of the housing 14 is provided with end cap 3, and end cap 3 is bolted with housing 14, and the right side of end cap 3 is set
A wedge surface is equipped with, the left side of piston shoes 18 is in contact with wedge surface, and can be rotated relative to wedge surface.
Extend internally a boss on the inside of the right-hand member of housing 14, is fixed with valve plate 13 on boss, on the valve plate 13
The oil-distribution port of two fan-like patterns is provided with, the right-hand member of the housing 14 is provided with two holes up and down, upper oil circuit 11 and lower oil circuit
12 draw from upper and lower two holes respectively, and upper oil circuit 11 and lower oil circuit 12 are connected with two oil-distribution ports of valve plate 13 respectively
Logical, when being oil entered window for one, another is oil extraction window.Width between two oil-distribution ports should be greater than on the right of plunger hole
Oil-through-hole diameter, connected to prevent upper oil circuit 11, lower oil circuit 12.
The left side of the valve plate 13 is provided with cylinder body 6, and cylinder body 6 is overall to be in the form of a column revolving body, and the right side of cylinder body 6 is with matching somebody with somebody
The left side of flow table 13 is in contact, and can be slided relative to cylinder body 6 is relative, as shown in Fig. 2 being provided with 6 plungers in cylinder body 6
Hole, plunger hole are circumferentially uniformly distributed around the axis of rotation of cylinder body 6, and oil-through-hole, oil-through-hole connection are provided with the right side of plunger hole
The left side of plunger hole and valve plate 13, the distance of the oil-through-hole to the axis of rotation of cylinder body 6, with the flow window on valve plate 13
The distance of mouth to the axis of rotation of cylinder body 6 is consistent, and the width on valve plate 13 between two oil-distribution ports is more than the diameter of oil-through-hole.
The right-hand member of plunger 15 is arranged in plunger hole, is coordinated with plunger hole for small―gap suture, the right-hand member of plunger hole is pump chamber.A left side for plunger 15
Hold and be connected to form plunger-slippery boots assembly with piston shoes 18 by ball pivot for bulb, the bulb of plunger 15, the right side of piston shoes 18 is pressed with back
Journey disk 17, spherical spring seat 4 is provided with the center of return plate 17, return plate 17 is contacted with spherical spring seat 4 by spherical pair,
Spherical spring makees right part seam built with diaphragm spring 16, and the right-hand member of diaphragm spring 16 contacts with cylinder body 6, and compresses；The elastic force
Piston shoes 18 are pressed against on wedge surface all the time by spherical spring seat 4 and return plate 17.Folder between wedge surface and the axis of rotation of cylinder body 6
Angle, and the distance of plunger hole to the axis of rotation of cylinder body 6 determine the size of the stroke of plunger 15, and due to the end area one of plunger 15
It is fixed, so the discharge capacity of the invention is certain value.
The middle part of end cap 3 is provided with circular hole, and left bearing bore, cylinder body 6 are also equipped with the middle part of the wedge surface that the left side of end cap 3 is set
Axis of rotation at be provided with internal splined hole, right axle bearing hole, circular hole, the left bearing of end cap 3 are provided with the right boss of end cap 3
Bore, spherical spring seat 4, internal splined hole and right axle bearing hole are coaxially disposed, and the left end of power transmission shaft 20 sequentially passes through spherical spring
The circular hole of seat 4, left bearing bore and end cap 3 reaches the outside of end cap 3, can be coupled with load or power set, be mechanical energy
Input/output terminal.The right-hand member of power transmission shaft 20 passes through internal splined hole, is arranged in right axle bearing hole；The middle part of power transmission shaft 20 is provided with
External splines, the inner side of spherical spring seat 4 are also equipped with internal spline, the external splines of power transmission shaft 20 respectively with the internal spline of cylinder body 6 and ball
The internal spline of diaphragm flexures seat 4 is meshed, and can drive cylinder body 6 and the synchronous axial system of spherical spring seat 4；The end cap 3 and power transmission shaft
20 gaps coordinate, and are machined with annular groove on the circular-hole internal-wall of the end cap 3, are provided with sealing ring 1 in it, prevent in housing 14
Lubricating oil leaks outside.Bearing block 2 is mounted in the left bearing bore and right axle bearing hole, power transmission shaft 20 is interior with bearing block 2
Circle interference fit；The power transmission shaft 20 is multi-diameter shaft, and the left end of power transmission shaft 20 has a shaft shoulder to lean against left bearing bore inner pedestal 2
Right edge, the right-hand member of power transmission shaft 20 have the left edge that a shaft shoulder leans against right axle bearing hole inner pedestal 2.Wherein, bearing block 2 is centripetal thrust force
Ball bearing.
Three stator cores 9 are uniformly fixed with the inwall of housing 14, three stator cores 9 are circumferentially equal in the inner chamber of housing 14
Cloth, angular interval are 120 degree, and stator core 9 is also known as pole shoe, for plates overlapping made of the relatively good permeability magnetic material of permeability
Into to reduce current vortex heat；The inwall of stator core 9 is arc-shaped, and the inwall and cylinder body 10 of arc-shaped are coaxial.Stator core
9 peripheries are wound with stator winding 10, and the outside of cylinder body 6 is provided with several cage type conductors 8, and several cage type conductors 8 are parallel to cylinder
The axis of rotation of body 6 is set, and is insulated between cage type conductor 8 and cylinder body 6；Connected between three stator winding 10, winding is indirectly
Go out lead terminal U, V, W, the external three-phase alternating voltage of lead terminal U, V, W.
By said structure, agent structure of the invention can be divided into support system, mechanical energy conversion system, hydraulic energy
Conversion system and electric energy conversion system.
Wherein, support system includes the structures such as housing 14, end cap 3, sealing ring 1.
Wherein, mechanical energy conversion system includes power transmission shaft 20, bearing block 2.
Wherein, hydraulic energy transfer system includes cylinder body 6, plunger 15, piston shoes 18, return plate 17, valve plate 13, diaphragm spring
16th, the structure such as spherical spring seat 4.
Wherein, electric energy conversion system includes stator core 9, stator winding 10, cage modle conductor 8, lead terminal U, lead end
The structures such as sub- V, lead terminal W.
In the present invention, cleverly mechanical energy conversion system, hydraulic energy transfer system and electric energy conversion system are combined
Together, the right-hand member of the power transmission shaft 20 of mechanical energy conversion system passes through external splines and the internal spline of the cylinder body 6 of hydraulic energy transfer system
It is engaged with the internal spline of the spherical spring seat 4 of hydraulic energy transfer system, the cage type conductor 8 of electric energy conversion system is arranged on liquid again
The outside of the cylinder body 6 of pressure energy conversion system, and the plunger set in the cylinder body 6 of hydraulic energy transfer system and hydraulic energy transfer system
The piston shoes 18 of system are be hinged, such ingenious setting so that and " you are among us and we are among you ", it is compact-sized, realize different-energy
Between conversion.
During present invention work, electric energy can be converted into mechanical energy or hydraulic energy, can be mutual between hydraulic energy and mechanical energy
Conversion, electric energy and mechanical energy can be converted into hydraulic energy simultaneously, and electric energy and hydraulic energy can be converted into mechanical energy, latter two simultaneously
Mode of operation is combination and the derivative of first two mode of operation.
The present invention is squirrel cage asynchronous motor when converting electrical energy into mechanical energy, and now lead terminal U, V, W is external
Three-phase alternating voltage, stator winding 10 and stator core 9 produce the electromagnetic field of rotation, and the cutting magnetic line of cage modle conductor 8 produces sense
Raw voltage, and induced current is formed in cage modle conductor 8, rotated so as to produce electromagnetic torque driving cage modle conductor 8 and cylinder body 6,
The speed discrepancy of circular electric-magnetic field rotary speed and cage modle conductor 8 is bigger, and electromagnetic torque is bigger.Cylinder body 6 drives power transmission shaft by spline again
The external output mechanical energy of 20 synchronous axial systems, realize electric energy to mechanical transformation of energy.
It is same with the function phase of motor-plunger pump combined system when the present invention converts electrical energy into hydraulic energy, now lead
The external three-phase alternating voltage of terminal U, V, W, stator winding 10 and stator core 9 produce the electromagnetic field of rotation, and cage modle conductor 8 is cut
The magnetic line of force produces induced potential, and induced current is formed in cage modle conductor 8, so as to produce electromagnetic torque driving cage modle conductor 8
Rotated with cylinder body 6, and then drive plunger 15, piston shoes 18 etc. to rotate, under the thrust of wedge surface and the elastic force effect of diaphragm spring 16,
Plunger 15 makees axially reciprocating while being circumferentially rotated with cylinder body 6, and when plunger 15 is to left movement, low pressure oil is constantly by oiling
Road 11 (or lower oil circuit 12) enters, by matching somebody with somebody head piece on valve plate 13, into pump chamber；When plunger 15 moves right, pump chamber
Interior oil pressure rise, hydraulic oil is constantly by pump chamber by externally defeated with head piece, lower oil circuit 12 (or upper oil circuit 11) on valve plate 13
Go out, realize electric energy to hydraulic pressure transformation of energy.
When the present invention is by hydraulic energy transfer mechanical energy, as hydraulic motor, now hydraulic oil is constantly by upper oil circuit 11 (under or
Oil circuit 12) enter, by matching somebody with somebody head piece on valve plate 13, into pump chamber, promote plunger 15 to move to left, due to the end cap of support system
3 is fixed, and by the thrust of wedge surface, plunger 15 just drives cylinder body 6 to rotate with piston shoes 18, when plunger 15 turns to piston shoes 18
Another half cycle when, plunger 15 moves right, and for the hydraulic oil in pump chamber by matching somebody with somebody head piece accordingly on valve plate 13, low pressure oil is continuous
Flowed out by lower oil circuit 12 (or upper oil circuit 11).Cylinder body 6 rotates, then drives the synchronous axial system of power transmission shaft 20 externally to export machine by spline
Tool energy, realize hydraulic energy to mechanical transformation of energy.The present invention is by mechanical energy when being converted into hydraulic energy, as hydraulic pump, now outer
Portion's power drive power transmission shaft 20 rotates, then by synchronous axial systems such as spline drivig cylinder 6, plunger 15, piston shoes 18, in pushing away for wedge surface
The elastic force of power and diaphragm spring 16 effect lower plunger 15 moves back and forth, and when plunger 15 is to left movement, low pressure oil is constantly by oiling
Road 11 (or lower oil circuit 12) enters, by matching somebody with somebody head piece on valve plate 13, into pump chamber；When plunger 15 moves right, pump chamber
Interior oil pressure rise, hydraulic oil is constantly by pump chamber by externally defeated with head piece, lower oil circuit 12 (or upper oil circuit 11) on valve plate 13
Go out, realize mechanical energy to hydraulic pressure transformation of energy.
The present invention realizes conversion of the electric energy to mechanical energy and hydraulic energy, the mutual conversion of hydraulic energy and mechanical energy, electric energy
It is converted into hydraulic energy, electric energy and hydraulic energy simultaneously with mechanical energy while is converted into mechanical energy, it is compact-sized, energy conversion rate is high,
Application demand and industrialization prospect are wide.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (8)
- A kind of 1. squirrel-cage mechanical electronic hydraulic integrated power device, it is characterised in that including housing (14), the left end of the housing (14) End cap (3) is provided with, a wedge surface is provided with the right side of end cap (3), the left side of piston shoes (18) is in contact with wedge surface, and can be relative Rotated in wedge surface；Extended internally a boss on the inside of housing (14) right-hand member, and valve plate (13), the valve plate (13) are fixed with boss On be provided with two oil-distribution ports, the right-hand member of the housing (14) is provided with two holes up and down, upper oil circuit (11) and lower oil circuit (12) drawn respectively from upper and lower two holes, upper oil circuit (11) and lower oil circuit (12) two flow windows with valve plate (13) respectively Mouth is connected；Cylinder body (6) is provided with the left of the valve plate (13), cylinder body (6) is integrally in the form of a column revolving body, the right side of cylinder body (6) It is in contact, and can be slided relative to cylinder body (6) is relative with the left side of valve plate (13), multiple posts is provided with cylinder body (6) Consent, plunger hole are circumferentially uniformly distributed around the axis of rotation of cylinder body (6), and oil-through-hole, oil-through-hole are provided with the right side of plunger hole The left side of plunger hole and valve plate (13) is connected, the right-hand member of plunger (15) is arranged in plunger hole, and left end is bulb, plunger (15) bulb is connected to form plunger-slippery boots assembly by ball pivot with piston shoes (18), and piston shoes are pressed with return plate on the right side of (18) (17) spherical spring seat (4), is provided with the center of return plate (17), return plate (17) passes through sphere with spherical spring seat (4) Pair contact, spherical spring are made right part seam and contacted built with diaphragm spring (16), the right-hand member of diaphragm spring (16) with cylinder body (6), And compress；Circular hole is provided with the middle part of end cap (3), left bearing bore, cylinder body are also equipped with the middle part of the wedge surface set on the left of end cap (3) (6) internal splined hole is provided with axis of rotation, right axle bearing hole, the circle of end cap (3) are provided with end cap (3) right boss Hole, left bearing bore, spherical spring seat (4), internal splined hole and right axle bearing hole are coaxially disposed, and the left end of power transmission shaft (20) is successively Circular hole through spherical spring seat (4), left bearing bore and end cap (3) reaches the outside of end cap (3), the right-hand member of power transmission shaft (20) Through internal splined hole, it is arranged in right axle bearing hole；External splines is provided with the middle part of power transmission shaft (20), spherical spring seat (4) Inner side is also equipped with internal spline, the external splines of power transmission shaft (20) respectively with cylinder body (6) internal spline and the interior flower of spherical spring seat (4) Key is meshed, and can drive cylinder body (6) and spherical spring seat (4) synchronous axial system；With being fixed with three stator cores (9) on the inwall of housing (14), stator core (9) periphery is wound with stator winding (10) several cage type conductors (8), are provided with the outside of cylinder body (6), several cage type conductors (8) return parallel to cylinder body (6) Shaft axis are set, and are insulated between cage type conductor (8) and cylinder body (6)；Connect between three stator winding (10), picked out between winding Lead terminal U, V, W, the external three-phase alternating voltage of lead terminal U, V, W.
- 2. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 1, it is characterised in that：The end cap (3) is with passing Moving axis (20) gap coordinates, and is machined with annular groove on the circular-hole internal-wall of the end cap (3), is provided with sealing ring (1) in it.
- 3. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 1, it is characterised in that：The left bearing bore and Bearing block (2), inner ring transition or interference fit of the power transmission shaft (20) with bearing block (2) are mounted in right axle bearing hole.
- 4. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 3, it is characterised in that：The power transmission shaft (20) is Multi-diameter shaft, power transmission shaft (20) left end have the right edge that a shaft shoulder leans against left bearing bore inner pedestal (2), and power transmission shaft (20) right-hand member has One shaft shoulder leans against the left edge of right axle bearing hole inner pedestal (2).
- 5. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 3, it is characterised in that：The bearing block (2) is Angular contact ball bearing or taper roll bearing.
- 6. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 1, it is characterised in that：The oil-through-hole is to cylinder body (6) distance of axis of rotation, valve plate consistent with the distance of the oil-distribution port on valve plate (13) to cylinder body (6) axis of rotation (13) width between upper two oil-distribution ports is more than the diameter of oil-through-hole.
- 7. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 1, it is characterised in that：The plunger hole is at least 6.
- 8. squirrel-cage mechanical electronic hydraulic integrated power device according to claim 1, it is characterised in that：The stator core (9) Plates are formed by stacking made of permeability magnetic material, and the inwall of stator core (9) is arc-shaped, the inwall and cylinder body of arc-shaped (10) it is coaxial.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710959471.9A CN107559170A (en) | 2017-10-16 | 2017-10-16 | A kind of squirrel-cage mechanical electronic hydraulic integrated power device |
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| CN201710959471.9A CN107559170A (en) | 2017-10-16 | 2017-10-16 | A kind of squirrel-cage mechanical electronic hydraulic integrated power device |
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| CN107559170A true CN107559170A (en) | 2018-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111204539A (en) * | 2020-02-22 | 2020-05-29 | 宁波真格液压科技有限公司 | Filling mechanism of compression garbage truck |
| CN111204539B (en) * | 2020-02-22 | 2022-07-01 | 湖北五环专用汽车有限公司 | Filling mechanism of compression garbage truck |
| CN112360675A (en) * | 2020-09-18 | 2021-02-12 | 燕山大学 | Inner curve motor with three-phase winding and magnetizing cylinder |
| CN112360675B (en) * | 2020-09-18 | 2022-02-11 | 燕山大学 | Inner curve motor with three-phase winding and magnetizing cylinder |
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