CN115681133B - Integrated vane motor pump based on electromagnetic drive - Google Patents
Integrated vane motor pump based on electromagnetic drive Download PDFInfo
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- CN115681133B CN115681133B CN202211281624.6A CN202211281624A CN115681133B CN 115681133 B CN115681133 B CN 115681133B CN 202211281624 A CN202211281624 A CN 202211281624A CN 115681133 B CN115681133 B CN 115681133B
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Abstract
本发明提供一种基于电磁驱动的一体化叶片电机泵，在永磁叶片电机泵中，配油盘的外圈和内圈分别设有配油盘油孔和配油盘磁柱，第一转子的圆周方向均匀设有第一叶片和永磁体，第一定子的圆周方向均匀设有线圈槽，配油盘线圈和定子线圈均产生圆环形均匀磁场，永磁体在磁场的激励下转动。在电磁叶片电机泵中，配油盘的外圈对称设有配油盘油孔，配油盘的内圈的圆周方向均匀设有配油盘磁柱，左配油盘线圈充当左定子，右配油盘线圈充当右定子，第二转子的外圈和内圈的圆周方向均匀设有第二叶片和转子磁柱，配油盘线圈产生均匀交替的磁场，带动第二转子在磁场转动。本发明依靠自身磁感应力进行旋转，通过控制通电线圈的电流变化，实现对转子转速的调节。
The present invention provides an integrated vane motor pump based on electromagnetic drive. In the permanent magnet vane motor pump, the outer ring and inner ring of the oil distribution plate are respectively provided with oil distribution plate oil holes and oil distribution plate magnetic columns, the first rotor is evenly provided with first blades and permanent magnets in the circumferential direction, the first stator is evenly provided with coil slots in the circumferential direction, the oil distribution plate coil and the stator coil both generate a circular uniform magnetic field, and the permanent magnet rotates under the excitation of the magnetic field. In the electromagnetic vane motor pump, the outer ring of the oil distribution plate is symmetrically provided with oil distribution plate oil holes, the inner ring of the oil distribution plate is evenly provided with oil distribution plate magnetic columns in the circumferential direction, the left oil distribution plate coil acts as the left stator, the right oil distribution plate coil acts as the right stator, the outer ring and inner ring of the second rotor are evenly provided with second blades and rotor magnetic columns in the circumferential direction, the oil distribution plate coil generates a uniform alternating magnetic field, and drives the second rotor to rotate in the magnetic field. The present invention rotates by relying on its own magnetic induction force, and adjusts the rotor speed by controlling the current change of the energized coil.
Description
Technical Field
The invention relates to the technical field of hydraulic pumps and motors, in particular to an integrated vane motor pump based on electromagnetic driving.
Background
When the rotor of the vane pump rotates, the tip of the vane is clung to the inner surface of the stator under the action of centrifugal force and pressure oil. The working volume formed by the two blades, the rotor and the inner surface of the stator firstly absorbs oil from small to large and then discharges oil from large to small, and when the blades rotate for one circle, the oil absorption and the oil discharge are completed once.
The hydraulic motor pump is based on the combination of a motor and a key moving part in a hydraulic pump, the traditional mode that a hydraulic power unit is composed of an independent motor, a coupling and an independent hydraulic pump is changed, the hydraulic pump and the motor are integrated in a shell, a cooling fan is omitted, and a novel integrated hydraulic power unit-hydraulic motor pump is formed.
The hydraulic motor vane pump directly converts electric energy into hydraulic energy for output, a motor winding is arranged in a motor stator, a permanent magnet is embedded in the inner circumference of a motor rotor, meanwhile, low-pressure oil which is used as the movement of the vane pump rotor enters the hydraulic motor vane pump from an oil inlet and is pressurized and conveyed to an oil through hole at the bottom of a pump core seat through a runner in a special motor shell and an air gap between the stator and the rotor, and then enters an oil suction window of the vane pump to discharge high-pressure oil from an oil outlet through compression of a vane pump working cavity. The oil forms circulating oil flow inside the hydraulic motor pump to cool the heat of the motor pump, the motor pump has no overhanging shaft to avoid leakage, and the hydraulic power unit formed by the hydraulic motor vane pump of the independent auxiliary pump has small volume. Therefore, the hydraulic motor vane pump has the advantages of silence, compact structure, high efficiency, convenient cooling, no external leakage, good manufacturability and the like, can be widely used as a power unit in a hydraulic system and is also suitable for medium conveying without allowing external leakage.
Disclosure of Invention
The invention provides an electromagnetic drive-based integrated vane motor pump, aiming at the problems of the prior motor and hydraulic pump connection technology, in the permanent magnet vane motor pump, a front oil distribution disc oil hole and a front oil distribution disc magnetic column are respectively arranged on the outer ring and the inner ring of a front oil distribution disc and a rear oil distribution disc in a staggered way, a first vane and a permanent magnet are uniformly arranged on the circumferential direction of a first rotor, and the permanent magnet rotates under the excitation of an annular uniform magnetic field generated by an oil distribution disc coil and a stator coil, so that the first vane is driven to realize telescopic action in vane grooves and the elliptical inner ring of the first stator, and oil sucking and discharging actions are completed. In the electromagnetic vane motor pump, the outer rings of the left oil distribution disc and the right oil distribution disc are symmetrically provided with left oil distribution disc oil holes, the circumferential directions of the inner rings of the left oil distribution disc and the right oil distribution disc are uniformly provided with left oil distribution disc magnetic columns, the circumferential directions of the inner rings of the second rotors are uniformly provided with rotor magnetic columns, the left oil distribution disc coils and the right oil distribution disc coils generate uniformly alternating magnetic fields to drive the second rotors to rotate in the magnetic fields, so that the second blades are driven to generate telescopic actions in the elliptical inner rings of the second stators, oil absorption and oil discharge actions are realized, and the reliability of operation is improved.
The invention provides an integrated vane motor pump based on electromagnetic driving, which comprises a front pump body, a front oil distribution disc, a first rotor, a first vane, a first stator, a rear oil distribution disc, a first supporting shaft, a rear pump body, a coil and a permanent magnet. The front pump body is sequentially provided with a front oil distribution disc wiring hole and a front pump body oil hole, the rear pump body is sequentially provided with a rear pump body oil hole, a rear oil distribution disc wiring hole and a first positioning hole, the outer ring and the inner ring of the front oil distribution disc are respectively provided with a front oil distribution disc oil hole and a front oil distribution disc magnetic column, the front oil distribution disc oil hole and the front oil distribution disc magnetic column are distributed in a staggered manner along the circumferential direction of the front oil distribution disc, the front oil distribution disc magnetic column is connected with a front oil distribution disc coil, the circumferential direction of the first rotor is uniformly provided with blade grooves and permanent magnet grooves, the blade grooves and the permanent magnet grooves are alternately distributed, the first blades and the permanent magnets are respectively positioned in the blade grooves and the permanent magnet grooves, the motor is characterized in that coil grooves are uniformly formed in the circumferential direction of the first stator, stator coils are arranged on the coil grooves, a rear oil distribution disc oil hole and a rear oil distribution disc magnetic column are respectively arranged on an outer ring and an inner ring of the rear oil distribution disc, the rear oil distribution disc oil hole and the rear oil distribution disc magnetic column are distributed in a staggered mode along the circumferential direction of the rear oil distribution disc, the rear oil distribution disc magnetic column is connected with the rear oil distribution disc coils, the front oil distribution disc coils, the rear oil distribution disc coils and the stator coils all generate circular uniform magnetic fields, and the permanent magnets rotate under the excitation of the circular uniform magnetic fields, so that the first blades are driven to realize telescopic actions in the blade grooves and the elliptical inner rings of the first stator, and oil absorption and oil discharge actions are completed. The first installation end of the outside of the front pump body is connected with the first installation end of the outside of the rear pump body through an inner hexagonal cylindrical head screw and a sealing ring, the first installation end of the inside of the front pump body is connected with the installation end of the front oil distribution disc, the first installation end of the first supporting shaft is fixedly connected with the first positioning hole of the rear pump body through a cylindrical pin, the second installation end and the third installation end of the first supporting shaft are respectively connected with the rear oil distribution disc and the middle installation end of the first rotor, the end face installation end of the rear oil distribution disc is connected with the installation end of the inside of the rear pump body through a sealing ring, the outer ring of the first rotor is coaxially connected with the inner ring of the first stator, the outer ring of the first stator is connected with the second installation end of the inside of the front pump body, and the front oil distribution disc, the first stator and the fixed end of the rear oil distribution disc are sequentially fixedly connected through a grooved cylindrical head screw.
Preferably, the number of the front oil distribution disc oil holes and the number of the rear oil distribution disc oil holes are two, and the front oil distribution disc oil holes and the rear oil distribution disc oil holes are symmetrically distributed about the axes of the front oil distribution disc and the rear oil distribution disc.
Preferably, the front oil distribution disc oil hole is communicated with the front pump body oil hole, the rear oil distribution disc oil hole is communicated with the rear pump body oil hole, and two end surfaces of the first rotor are respectively communicated with the front oil distribution disc oil hole and the rear oil distribution disc oil hole.
Preferably, the axes of the front pump body, the front oil distribution disc, the first rotor, the first stator, the rear oil distribution disc, the first support shaft and the rear pump body are on the same straight line.
Preferably, the inner ring of the first stator has an oval structure, the width of the first stator is larger than the width of the first rotor, and the first rotor is located at the inner ring of the first stator.
The invention also provides an integrated vane motor pump based on electromagnetic driving, which comprises a left pump body, a left oil distribution disc, a second vane, a second rotor, a slip ring, a second stator, a right oil distribution disc, a second support shaft, a right pump body, a coil and a magnetic column. The left pump body is sequentially provided with a left pump body oil hole, a left pump body wiring hole and a left oil distribution disc positioning hole, the right pump body is sequentially provided with a right pump body oil hole, a right pump body wiring hole and a second positioning hole, the outer ring of the left oil distribution disc is symmetrically provided with a left oil distribution disc oil hole, the circumferential direction of the inner ring of the left oil distribution disc is uniformly provided with a left oil distribution disc magnetic column, the left oil distribution disc magnetic column is connected with a left oil distribution disc coil, the left oil distribution disc coil serves as a left stator structure, the circumferential direction of the outer ring of the second rotor is uniformly provided with a blade groove, the second blade is positioned in the blade groove, the circumferential direction of the inner ring of the second rotor is uniformly provided with a rotor magnetic column, the rotor magnetic column is connected with the rotor coil, the input end of the rotor coil is connected with the outer ring of the outer slip ring through a rotor polyethylene filling layer, a right oil distribution disc oil hole is symmetrically formed in the outer ring of the right oil distribution disc, right oil distribution disc magnetic columns are uniformly arranged in the circumferential direction of the inner ring of the right oil distribution disc, the right oil distribution disc magnetic columns are connected with the right oil distribution disc coil, the right oil distribution disc coil serves as a right stator structure, the left oil distribution disc coil and the right oil distribution disc coil generate a uniformly alternating magnetic field to drive a second rotor to rotate in the magnetic field, so that a second blade is driven to generate telescopic action in the second stator elliptical inner ring to realize oil absorption and oil discharge actions, and a support shaft positioning hole and a support shaft wiring hole are sequentially formed in the second support shaft. The first installation end of the outside of the left pump body is connected with the first installation end of the outside of the right pump body through an inner hexagon socket head cap screw and a sealing ring, the first installation end of the inside of the left pump body is connected with the installation end of the left oil distribution disc, the first installation end of the second support shaft is fixedly connected with the second positioning hole of the right pump body through a cylindrical pin, the second installation end, the third installation end, the fourth installation end and the fifth installation end of the second support shaft are respectively connected with the right oil distribution disc through a support shaft polyethylene filling layer, the outer sliding ring, the middle installation ends of the second rotor and the inner sliding ring are connected with the inner sliding ring in a sliding manner, the end face installation end of the right oil distribution disc is connected with the installation end of the inside of the right pump body through a sealing ring, the outer ring of the second rotor is coaxially connected with the inner ring of the second stator, the second installation end of the second stator is connected with the inner installation end of the left pump body, and the left oil distribution disc, and the right stator is sequentially connected with the fixed end of the right oil distribution disc through a slotted screw.
Preferably, the number of the left oil distributing disc oil holes and the number of the right oil distributing disc oil holes are two, and the right oil distributing disc oil holes and the left oil distributing disc oil holes are distributed in a staggered manner in the circumferential direction of the outer ring of the oil distributing disc.
Preferably, the left oil distributing disc oil hole is communicated with the left pump body oil hole, the right oil distributing disc oil hole is communicated with the right pump body oil hole, and two end surfaces of the second rotor are respectively communicated with the left oil distributing disc oil hole and the right oil distributing disc oil hole.
Preferably, the axes of the left pump body, the left oil distribution disc, the second rotor, the second stator, the right oil distribution disc, the inner sliding ring, the outer sliding ring, the second support shaft and the right pump body are on the same straight line.
Preferably, the inner ring of the second stator has an oval structure, the width of the second stator is larger than the width of the second rotor, and the second rotor is located at the inner ring of the second stator.
Compared with the prior art, the invention has the following advantages:
1. compared with the traditional three-section hydraulic power unit, the invention has the advantages of smaller volume, no overhanging shaft, no potential leakage caused by the extension of the pump shaft, elimination of the coupling, reduction of connection and cooperation, improvement of energy conversion efficiency and reliability, elimination of the cooling fan in the motor, oil cooling, noise reduction, power improvement, realization of the integration of the motor and the pump, and convenient installation, easy control and maintenance.
2. According to the invention, the oil distribution disc coils of the oil distribution disc are respectively used as stator structures to drive the rotor to move, so that the vane pump rotates by means of self magnetic induction force, the rotation speed of the rotor with vanes is regulated by controlling the current change of the electrified coil, the intermediate transmission links are reduced, the working efficiency is improved, and the vane pump has the characteristics of high efficiency, easiness in control and maintenance and the like.
3. The supporting shaft does not need to rotate, does not need to extend out of the shell and output power through the external driving motor, avoids using devices such as a coupler and the like, reduces output loss and vibration, enhances the tightness of the pump body, reduces the volume of the whole pump body, is simpler to install, reduces the risk of oil leakage, and improves the reliability of operation.
4. The invention does not need a separate motor to provide torque, and has the characteristics of small volume and convenient installation.
Drawings
FIG. 1 is an isometric cross-sectional view of a permanent magnet vane motor pump in an electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 2 is an exploded view of a permanent magnet vane motor pump of the integrated vane motor pump based on electromagnetic drive of the present invention;
FIG. 3 is a cross-sectional view of a front pump body of a permanent magnet vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 4 is a cross-sectional view of a front oil distribution pan of a permanent magnet vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 5 is a first stator configuration diagram of a permanent magnet vane motor pump of the integrated vane motor pump based on electromagnetic drive of the present invention;
FIG. 6 is a first rotor block diagram of a permanent magnet vane motor pump of the integrated vane motor pump based on electromagnetic drive of the present invention;
FIG. 7 is a cross-sectional view of a rear oil distribution pan of a permanent magnet vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 8 is a cross-sectional view of the rear pump body of the permanent magnet vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 9 is a self-driven schematic diagram of a permanent magnet vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 10 is an isometric cross-sectional view of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 11 is an exploded view of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 12 is a cross-sectional view of a left pump body of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 13 is a cross-sectional view of a left oil distribution pan of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 14 is a block diagram of a second rotor of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 15 is a block diagram of a second support shaft of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
FIG. 16 is a cross-sectional view of a right oil distribution pan of an electromagnetic vane motor pump of the electromagnetic drive based integrated vane motor pump of the present invention;
fig. 17 is a cross-sectional view of the right pump body of the electromagnetic vane motor pump in the electromagnetic drive based integrated vane motor pump of the present invention.
The main reference numerals:
The inner hexagon socket head cap screw 1, the front pump body 2, the slotted socket head cap screw 3, the front oil distribution disc 4, the first rotor 5, the first vane 6, the first stator 7, the rear oil distribution disc 8, the first support shaft 9, the seal ring 10, the rear pump body 11, the cylindrical pin 12, the front oil distribution disc wiring hole 13, the front pump body oil hole 14, the front oil distribution disc oil hole 15, the front oil distribution disc magnet post 16, the front oil distribution disc coil 17, the vane groove 18, the permanent magnet 19, the rear oil distribution disc oil hole 20, the rear oil distribution disc coil 21, the rear oil distribution disc magnet post 22, the rear pump body oil hole 23, the rear oil distribution disc wiring hole 24, the first positioning hole 25, the left pump body 26, the left oil distribution disc 27, the second vane 28, the second rotor 29, the inner slide ring 30, the second stator 31, the right oil distribution disc 32, the second support shaft 33, the outer slide ring 34, the right pump body 35, the left pump body oil hole 36, the left pump body wiring hole 37, the left oil distribution disc positioning hole 38, the left oil distribution disc coil 39, the left oil distribution disc magnet post 40, the rotor coil 41, the rotor polyethylene filling layer 42, the rotor coil 43, the right oil distribution disc positioning hole 44, the right oil distribution disc positioning hole 45, the second shaft support shaft 45, the wiring hole 50, the right pump body positioning hole 46, the right oil distribution disc positioning hole 46, and the wiring hole 50.
Detailed Description
In order to make the technical content, the structural features, the achieved objects and the effects of the present invention more detailed, the following description will be taken in conjunction with the accompanying drawings.
The integrated vane motor pump based on electromagnetic driving comprises a front pump body 2, a front oil distribution disc 4, a first rotor 5, a first vane 6, a first stator 7, a rear oil distribution disc 8, a first supporting shaft 9, a rear pump body 11, a front oil distribution disc magnetic column 16, a front oil distribution disc coil 17, a permanent magnet 19, a rear oil distribution disc coil 21 and a rear oil distribution disc magnetic column 22, wherein the first rotor 5, the front oil distribution disc 4, the rear oil distribution disc 8 and the first stator 7 are all made of silicon steel materials, and the first vane 6, the first supporting shaft 9, the front pump body 2 and the rear pump body 11 are all made of stainless steel materials.
As shown in FIG. 3, the front pump body 2 is sequentially provided with a front oil distribution disc wiring hole 13 and a front pump body oil hole 14, the front pump body 2 is provided with wiring holes for connecting the front oil distribution disc 4 with coils on the first stator 7, as shown in FIG. 8, the rear pump body 11 is sequentially provided with a rear pump body oil hole 23, a rear oil distribution disc wiring hole 24 and a first positioning hole 25, the rear pump body 11 is provided with wiring holes for connecting the rear oil distribution disc 8 with coils on the first stator 7 to be communicated with an alternating current power supply, as shown in FIG. 4, the outer ring and the inner ring of the front oil distribution disc 4 are respectively provided with a front oil distribution disc oil hole 15 and a front oil distribution disc magnetic pole 16, the front oil distribution disc 15 and the front oil distribution disc magnetic pole 16 are distributed in a staggered manner along the circumferential direction of the front oil distribution disc 4, the front oil distribution disc magnetic pole 16 is connected with the front oil distribution disc coil 17, the front oil distribution disc magnetic pole 16 is positioned at the connecting position of the front oil distribution disc 4 and the front pump body 2, the front oil distribution disc coil 17 is connected in a head-tail manner, winding directions of the adjacent front oil distribution disc coil 17 are opposite, N magnetic poles and S magnetic poles generated after being communicated with the power supply are respectively used as stator structures of front and rear sides.
As shown in FIG. 6, the first rotor 5 is uniformly provided with vane grooves 18 and permanent magnet grooves in the circumferential direction, the vane grooves 18 and the permanent magnet grooves are alternately distributed, the first vanes 6 and the permanent magnets 19 are respectively positioned in the vane grooves 18 and the permanent magnet grooves and serve as vane pump rotors and also serve as motor rotor structures, the permanent magnets 19 are silicon steel permanent magnet sheets, as shown in FIG. 5, the first stator 7 is uniformly provided with coil grooves in the circumferential direction, stator coils are arranged on the coil grooves, winding directions of adjacent stator coils are opposite, and a magnetic field which changes alternately is generated as an intermediate stator structure, as shown in FIG. 7, the outer ring and the inner ring of the rear oil distribution disc 8 are respectively provided with rear oil distribution disc oil holes 20 and rear oil distribution disc magnetic columns 22, and the rear oil distribution disc magnetic columns 22 are alternately distributed along the circumferential direction of the rear oil distribution disc 8, and the rear oil distribution disc magnetic columns 22 are connected with the rear oil distribution disc coils 21.
The oil distribution disc not only can realize the action of sucking and discharging oil, but also can generate a magnetic field with staggered change, and the front oil distribution disc oil holes 15 of the front oil distribution disc coil 17 and the rear oil distribution disc oil holes 20 of the rear oil distribution disc coil 21 are staggered and symmetrically distributed in the circumferential direction of the oil distribution disc, so that the front pump body oil holes 14 of the front pump body 2 and the rear pump body oil holes 23 of the rear pump body 11 can be spaced when communicated with each other, and the electromagnetic force is provided and the complementary interference with the action of sucking and discharging oil is provided. As shown in fig. 9, after three-phase alternating current is connected to the front oil distribution disc coil 17, the rear oil distribution disc coil 21 and the stator coil on the first stator 7, stable circular uniform magnetic fields are generated, N poles and S poles on the coils are distributed circumferentially in a staggered manner, permanent magnets 19 embedded in the N poles and the S poles are in one-to-one correspondence to generate suction force and repulsive force, the permanent magnets 19 rotate under the excitation of the circular uniform magnetic fields, so that the first blades 6 are driven to realize telescopic actions in the blade grooves 18 and the elliptical inner rings of the first stator 7, at the moment, air pressure difference is caused at the oil suction holes and the oil discharge holes, oil suction and oil discharge actions are completed, and wiring holes and positioning grooves are formed in the first support shaft 9. The permanent magnet vane motor pump has the characteristics of small volume, good stability, long service life and the like, and simultaneously has the advantages of reducing the assembly difficulty due to small number of parts, being adjustable, being easy to control in multi-direction driving and improving the efficiency.
All gaps of the front oil distribution disc coil 17 and the rear oil distribution disc coil 21 are filled and fixed by polyethylene materials as the stator coils, the front oil distribution disc coil 17 and the rear oil distribution disc coil 21 are electrified to form a complete circle of stator structure together, and electromagnetic forces in three directions of the stator coils are used for driving the first rotor 5, so that the rotation of the vane pump rotor is realized, larger rotating speed can be realized, and the novel rotary vane pump has the characteristics of high efficiency, simple structure, easiness in control and maintenance and the like.
The first mounting end of the outer part of the front pump body 2 is connected with the first mounting end of the outer part of the rear pump body 11 through an inner hexagonal cylindrical head screw 1 and a sealing ring 10, the first mounting end of the inner part of the front pump body 2 is connected with the mounting end of the front oil distribution disc 4, the first mounting end of the first supporting shaft 9 is fixedly connected with the first positioning hole 25 of the rear pump body 11 through a cylindrical pin 12, the second mounting end and the third mounting end of the first supporting shaft 9 are respectively connected with the middle mounting ends of the rear oil distribution disc 8 and the first rotor 5, the first supporting shaft 9 is in contact with the first rotor 5 to support the first rotor to rotate, the end face mounting end of the rear oil distribution disc 8 is connected with the inner mounting end of the rear pump body 11 through the sealing ring 10, the outer ring of the first rotor 5 is coaxially connected with the inner ring of the first stator 7, the outer ring of the first stator 7 is connected with the second mounting end of the inner part of the front pump body 2, and the front oil distribution disc 4, the first stator 7 and the fixed end of the rear oil distribution disc 8 are sequentially fixedly connected with the cylindrical head 3 through slotted cylindrical head screws 3, and the cylindrical head 3 is clamped in the cylindrical head 3 of the front pump body 2 to rotate together.
Specifically, the hexagon socket head cap screw 1, the grooving socket head cap screw 3, the first support shaft 9 and the sealing ring 10 ensure the connection of the pump body and the sealing reliability of the working environment.
In a preferred embodiment of the present invention, the number of the front oil distribution plate oil holes 15 and the rear oil distribution plate oil holes 20 is two, and the front oil distribution plate oil holes 15 and the rear oil distribution plate oil holes 20 are symmetrically distributed about the axes of the front oil distribution plate 4 and the rear oil distribution plate 8. The front oil distribution disc oil hole 15 is communicated with the front pump body oil hole 14, the rear oil distribution disc oil hole 20 is communicated with the rear pump body oil hole 23, two end faces of the first rotor 5 are respectively communicated with the front oil distribution disc oil hole 15 and the rear oil distribution disc oil hole 20, and the front oil distribution disc oil hole 15 is used for sucking and discharging oil when blades work.
The axes of the front pump body 2, the front oil distribution disc 4, the first rotor 5, the first stator 7, the rear oil distribution disc 8, the first supporting shaft 9 and the rear pump body 11 are on the same straight line.
The inner ring of the first stator 7 is of an oval structure, the oval structure provides a movement space for the first rotor 5 and the first blades 6, the width of the first stator 7 is larger than that of the first rotor 5, and the first rotor 5 is located in the inner ring of the first stator 7.
The electromagnetic vane motor pump comprises a left pump body 26, a left oil distribution disc 27, a second vane 28, a second rotor 29, an inner sliding ring 30, an outer sliding ring 34, a second stator 31, a right oil distribution disc 32, a second support shaft 33, a right pump body 35, a left oil distribution disc coil 39, a left oil distribution disc magnetic column 40, a rotor coil 41, a rotor magnetic column 43, a right oil distribution disc coil 44 and a right oil distribution disc magnetic column 45, wherein the second rotor 29, the left oil distribution disc 27 and the right oil distribution disc 32 are all made of silicon steel materials, the second vane 28, the second support shaft 33, the second stator 31, the left pump body 26 and the right pump body 35 are all made of stainless steel materials, and a sealing ring 10 is made of rubber materials.
The left pump body 26 is sequentially provided with a left pump body oil hole 36, a left pump body wiring hole 37 and a left oil distribution disc positioning hole 38, the left pump body wiring hole 37 is used for connecting a left oil distribution disc coil 39 on the left oil distribution disc 27 to an alternating current power supply, the right pump body 35 is sequentially provided with a right pump body oil hole 49, a right pump body wiring hole 50 and a second positioning hole 51, the right pump body wiring hole 50 is used for connecting a right oil distribution disc coil 44 on the right oil distribution disc 32 to the alternating current power supply, the left oil distribution disc oil hole is symmetrically arranged on the outer ring of the left oil distribution disc 27, the left oil distribution disc 27 is uniformly provided with a left oil distribution disc magnetic column 40 in the circumferential direction of the inner ring of the left oil distribution disc 27, the left oil distribution disc 40 is connected with the left oil distribution disc coil 39, the left oil distribution disc coil 39 serves as a left stator structure, after being electrified with windings on the parallel positions of the second rotor 29, the left oil distribution disc coil is uniformly alternated, the outer ring of the second rotor 29 is uniformly provided with a blade groove 18 in the circumferential direction, the second blade 28 is positioned in the blade groove 18, the second blade groove 28 is in the elliptical motion of the right oil distribution disc coil 44 on the right oil distribution disc 32, the left rotor 27 is symmetrically arranged on the left oil distribution disc, the outer ring of the left rotor disc is symmetrically shown in fig. 13, the left rotor 7 is uniformly provided with a blade groove 43 and the blade groove 43 is uniformly in the circumferential direction of the blade groove is connected with the outer ring of the rotor coil 43 as a rotor coil 41, which is connected with the outer ring of the rotor coil 41, which is connected with the rotor coil 41, which is used as a rotor core, and the rotor coil 41, and is connected with the rotor coil 41, and the rotor core is as shown in the rotor and the rotor core, and is connected.
As shown in fig. 16, the outer ring of the right oil distribution disc 32 is symmetrically provided with right oil distribution disc oil holes, the circumferential direction of the inner ring of the right oil distribution disc 32 is uniformly provided with right oil distribution disc magnetic columns 45, the right oil distribution disc magnetic columns 45 are connected with right oil distribution disc coils 44, the right oil distribution disc coils 44 are connected with alternating current to serve as a right stator structure, the left oil distribution disc coils 39 and the right oil distribution disc coils 44 are electrified to generate uniform magnetic fields formed by alternating N poles and S poles, the second rotor 29 is driven to rotate in the magnetic fields, the second rotor 29 is driven to rotate in the continuous tight contact between the inner slip ring 30 and the outer slip ring 34, the inner slip ring 30 is communicated with alternating current to enable the rotor coils 41 connected with the outer slip ring 34 to generate uniform magnetic fields formed by alternating N poles and S poles, and are driven to rotate under the action of the force of left and right stator magnetic fields, so that the second blades 28 are driven to generate telescopic actions in the elliptical inner ring of the second stator 31, at the moment, air pressure difference can be caused at the oil absorption holes and the oil discharge holes, and oil discharge actions are realized. The electromagnetic vane motor pump has the characteristics of small volume, long service life and the like, has small number of parts, is easy to control and good in stability, and can improve the efficiency, and the multidirectional driving can be adjusted.
As shown in fig. 15, the second support shaft 33 is sequentially provided with a support shaft positioning hole 47 and a support shaft wiring hole 48, the mounting end of the second support shaft 33 is provided with a support shaft polyethylene filling layer 46, the inner slide ring 30 and the outer slide ring 34 are tightly carved when the inner ring of the second rotor 29 is at the same position, and the inner slide ring 30 is communicated with an alternating power supply through the support shaft wiring hole 48 on the second support shaft 33, so as to continuously supply power to the rotor coil 41. The inner sliding ring 30 on the second supporting shaft 33 is contacted with the outer sliding ring 34 of the inner ring of the second rotor 29 and supports the second rotor 29, the electrified right side forms a motor structure under the combined action of the left stator structure and the right stator structure, and the supporting shaft polyethylene filling layer 46 is used for filling and fixing the inner sliding ring 30 and is contacted with the outer sliding ring 34 of the inner ring of the second rotor 29, which is in contact with the rotor polyethylene filling layer 42, which is in filling and fixing.
The first installation end of the outer part of the left pump body 26 is connected with the first installation end of the outer part of the right pump body 35 through an inner hexagonal cylindrical head screw 1 and a sealing ring 10, the first installation end of the inner part of the left pump body 26 is connected with the installation end of the left oil distribution disc 27, the first installation end of the second support shaft 33 is fixedly connected with the second positioning hole 51 of the right pump body 35 through a cylindrical pin 12, the second installation end, the third installation end, the fourth installation end and the fifth installation end of the second support shaft 33 are respectively connected with the right oil distribution disc 32, the outer slip ring 34, the second rotor 29 and the middle installation end of the inner slip ring 30 through support shaft polyethylene filling layers 46, the second support shaft 33 is in contact with the second rotor 29 to support rotation of the second rotor 29, the inner slip ring 30 is in sliding connection with the outer slip ring 34, the end surface installation end of the right oil distribution disc 32 is connected with the inner installation end of the inner part of the right pump body 35 through the sealing ring 10 and the inner ring of the second stator 31, the outer ring of the second rotor 29 is coaxially connected with the inner ring of the second stator 31, the outer ring of the second stator 31 is connected with the second installation end of the inner part of the left pump body 26 through a support shaft polyethylene filling layer 46, the left oil distribution disc 27, the second stator 31 and the right rotor and the right oil distribution disc 31 and the right stator 31 are sequentially connected with the cylindrical head 3 through a slotted cylinder head screw 3 and the inner disc 3 is fixedly connected with the cylindrical head screw 3.
Specifically, the right oil distribution plate 32 is coaxially installed with the left oil distribution plate 27, and the number of the left oil distribution plate oil holes and the number of the right oil distribution plate oil holes are two, and the right oil distribution plate oil holes and the left oil distribution plate oil holes are distributed in a staggered manner in the circumferential direction of the outer ring of the oil distribution plate. The left oil distributing disc oil hole is used for communicating the left pump body oil hole 36 with the second rotor 29 when the second blade 28 works, so as to realize the action of sucking and discharging oil,
The left oil distribution disc oil hole is communicated with the left pump body oil hole 36, the right oil distribution disc oil hole is communicated with the right pump body oil hole 49, the left side and the right side of the second rotor 29 are of symmetrical structures, the inner ring is filled with a rotor polyethylene filling layer 42, the outer slip ring 34 is filled and fixed by polyethylene materials, and the two end faces of the second rotor 29 are respectively communicated with the left oil distribution disc oil hole and the right oil distribution disc oil hole. The inner ring of the second stator 31 is of an oval structure, the oval structure realizes the extension and contraction of the second blades 28, the width of the second stator 31 is larger than that of the second rotor 29, the second rotor 29 is positioned on the inner ring of the second stator 31, and the circumferential blade grooves 18 on the second rotor 29 are used for providing spaces for the extension and contraction actions of the second blades 28.
The axes of the left pump body 26, the left oil distribution disc 27, the second rotor 29, the second stator 31, the right oil distribution disc 32, the inner slip ring 30, the outer slip ring 34, the second support shaft 33 and the right pump body 35 are on the same straight line.
The following describes an integrated vane motor pump based on electromagnetic driving with reference to the embodiments:
The electromagnetic drive-based integrated vane motor pump can be used as a water pump oil pump, a positive pressure air pump or a vacuum pump, and is a multipurpose motor pump. The whole design of the invention adopts a close-fitting mode, is not easy to separate in the production process, and is beneficial to improving the production efficiency. Except that the structure serving as a stator needs to generate electromagnetic force, other structures all adopt stainless steel or brass and other materials which cannot generate magnetic conduction, so that the stable and reliable movement is ensured, and the qualification rate is effectively ensured.
The specific working process of the permanent magnet vane motor pump is as follows:
The stator coils of the front oil distribution disc 4, the rear oil distribution disc 8 and the first stator 7 are respectively led out from a front oil distribution disc wiring hole 13 on the front pump body 2 and a rear oil distribution disc wiring hole 24 on the rear pump body 11 on the permanent magnet vane motor pump and are communicated with externally controlled three-phase symmetrical alternating current, so that the front oil distribution disc coil 17 and the rear oil distribution disc coil 21 respectively generate uniform magnetic fields formed by alternately N poles and S poles, the front oil distribution disc coil 17 and the rear oil distribution disc coil 21 just generate circular ring-shaped uniform magnetic fields for a complete circle, and meanwhile, the stator coils generate magnetic fields for uniformly and alternately N poles and S poles for the same complete circle.
Then, the first rotor 5 rotates under the excitation of the electromagnetic field by the permanent magnets 19 with staggered N poles and S poles under the action of the uniform magnetic fields on the two sides and the outer ring of the first rotor.
Finally, based on the principle that the N pole and the S pole repel and attract each other differently, the three-phase symmetrical alternating current direction is actively changed, so that each electrified coil can generate a controllable alternating magnetic field, and the permanent magnets 19 which are embedded in a staggered manner on the circumference of the first rotor 5 drive the first rotor 5 to rotate under the drive of magnetic force, and simultaneously drive the first blades 6 to realize telescopic action between the blade grooves 18 and the elliptical inner rings of the first stator 7, and at the moment, air pressure difference is caused at the positions of the front pump body oil hole 14, the front oil distribution disc oil hole 15, the rear oil distribution disc oil hole 20 and the rear pump body oil hole 23, so that the oil absorption and oil discharge actions are realized.
The specific working process of the electromagnetic vane motor pump is as follows:
firstly, a left pump body wiring hole 37 on a left pump body 26 and a right pump body wiring hole 50 on a right pump body 35 on an electromagnetic vane motor pump are respectively led out of a left oil distribution disc coil 39, a right oil distribution disc coil 44 and a rotor coil 41, and are communicated with externally controlled three-phase symmetrical alternating current, the rotor coil 41 is communicated with an external power supply through an inner slip ring 30 and an outer slip ring 34 through a support shaft wiring hole 48, so that the left oil distribution disc coil 39 and the right oil distribution disc coil 44 respectively generate uniform rotating magnetic fields which are alternately formed by N stages and S stages in a complete circle.
The rotational speed of the rotating magnetic field is controlled by varying the three-phase symmetrical alternating current, which is conducted by the rotor coil 41 on the second rotor 29, in the same wiring principle as the left and right oil distribution coils 39, 44, but always slightly behind the rotating magnetic field generated by the left and right oil distribution coils 39, 44.
At this time, the rotating magnetic field of the second rotor 29 is continuously cut and rotated by the rotating magnetic fields generated by the left oil distribution disc coil 39 and the right oil distribution disc coil 44, and the rotor coils 41 are axially symmetrically distributed and respectively form a mutual cutting relationship with the rotating magnetic fields of the left oil distribution disc coil 39 and the right oil distribution disc coil 44. Thereby generating electromagnetic torque under the driving of electromagnetic force, and driving the second rotor 29 to rotate in the direction of the rotating magnetic field on the left oil distribution plate 27 and the right oil distribution plate 32.
The rotor coil 41 of the second rotor 29 is fixed with the inner ring through winding and a rotor polyethylene filling layer 42, is directly communicated with the outer slip ring 34 of the inner ring, is directly contacted with the inner slip ring 30 which is communicated with a power supply on the second support shaft 33, and continuously supplies power to the rotor coil 41 through continuous sliding contact to form a brush.
Finally, when the second rotor 29 rotates, the second blades 28 inside the second rotor are driven to realize telescopic action in the elliptical inner rings of the blade grooves 18 and the second stator 31, and at the moment, the oil holes of the left oil distribution disc 27 and the right oil distribution disc 32 which are communicated with the second rotor generate pressure difference to push hydraulic oil to flow from high pressure to low pressure, and when power is continuously supplied, the second rotor 29 can continuously rotate, so that oil suction and oil discharge actions of the blade pump are completed by means of electromagnetic force.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179233A (en) * | 2015-10-31 | 2015-12-23 | 王洪继 | Vane pump suitable for injection molding machine |
| CN109681423A (en) * | 2018-12-17 | 2019-04-26 | 北京科技大学 | A kind of integrated hydraulic power unit based on external rotor electric machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101108631A (en) * | 2006-07-18 | 2008-01-23 | 毕大宁 | Electrohydraulic power steering pump |
| CN106300722A (en) * | 2015-05-18 | 2017-01-04 | 德昌电机(深圳)有限公司 | Motor and electrodynamic pump |
| CN114087152A (en) * | 2021-11-08 | 2022-02-25 | 安徽理工大学 | A large flow balanced axial piston motor pump and its control method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179233A (en) * | 2015-10-31 | 2015-12-23 | 王洪继 | Vane pump suitable for injection molding machine |
| CN109681423A (en) * | 2018-12-17 | 2019-04-26 | 北京科技大学 | A kind of integrated hydraulic power unit based on external rotor electric machine |
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