CN103437975A - Permanent magnet axial direction plunger type electro-hydraulic pump rotor - Google Patents
Permanent magnet axial direction plunger type electro-hydraulic pump rotor Download PDFInfo
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- CN103437975A CN103437975A CN2013103733423A CN201310373342A CN103437975A CN 103437975 A CN103437975 A CN 103437975A CN 2013103733423 A CN2013103733423 A CN 2013103733423A CN 201310373342 A CN201310373342 A CN 201310373342A CN 103437975 A CN103437975 A CN 103437975A
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Abstract
A permanent magnet axial direction plunger type electro-hydraulic pump rotor is composed of a rotor body (6), magnetic steel bodies (7), magnetic isolation blocks (15), a protective cover (8) and a copper plate (12). A groove is formed in the surface of the rotor body (6), the magnetic steel bodies (7) and the magnetic isolation blocks (15) which are the same in number are bonded to the surface of the groove through high-strength glue, the magnetic isolation blocks (15) separate the magnetic steel bodies (7), the protective cover (8) is arranged on the outermost portion to fasten the magnetic steel bodies (7) and the magnetic isolation blocks (15) onto the rotor body (6), and the copper plate (12) covers the right end of the rotor body (6). According to the permanent magnet axial direction plunger type electro-hydraulic pump rotor, a rotor of a permanent magnet servo motor and a cylinder structure of an axial direction plunger pump are directly combined into a whole, no hinge connection exists, therefore, the structure is simple, and reliability is high; hollowed portions on two sides of the rotor can be used for installation of bearings, swash plates and valve plates, therefore, the internal space structure of an electro-hydraulic pump is compact, and the size of the electro-hydraulic pump is reduced; the rotor is of the type of the permanent magnet servo motor, the electro-hydraulic pump can integrate revolution speed transducer assemblies, and therefore servo control can be achieved conveniently.
Description
Technical field
The present invention relates to a kind of permanent magnetism axial piston electricity liquid pump rotor, particularly relate to a kind of permanent-magnet servo motor and cam-type axial piston pump being combined together and the rotor of the permanent magnetism axial piston electricity liquid pump of integrated speed probe.Belong to electric liquid pump rotor technology field.
Background technique
The electricity liquid pump is a kind of motor and oil hydraulic pump to be carried out to highly integrated novel hydraulic power unit in a housing, input AC/DC power supply, output (high pressure) hydraulic oil; The coaxial co-rotor will of motor and oil hydraulic pump is housing altogether, generally oil hydraulic pump is embedded in motor, and external interface is feed cable and hydraulic pressure input/output interface.
Current domestic employing motor and oil hydraulic pump be integrated/the electric-motor pump patent of fusion structure, the motor pattern adopts asynchronous motor, can not speed governing or speed adjusting performance poor, the cylinder body of rotor and pump is undertaken hinged by variety of way, complex rotor structure, structure is compact not, makes pump volume bigger than normal.For the problems referred to above, the present invention has designed the permanent magnetism axial piston electricity liquid pump rotor that a kind ofly adopts the rotor height of permanent-magnet servo motor pattern, rotor and pump integrated, can integrated speed probe.
Summary of the invention
For the problems referred to above, the invention provides a kind of permanent magnetism axial piston electricity liquid pump rotor, it be a kind ofly adopt the rotor height of permanent-magnet servo motor pattern, rotor and pump integrated, permanent magnetism axial piston electricity liquid pump rotor that can integrated speed probe.It is simple in structure, can make electric liquid pump compact structure, good speed adjustment features, alternative existing by rotor and plunger pump cylinder body by the various hinged electric liquid pump rotor structures that carry out combination.
The technical solution used in the present invention is: a kind of permanent magnetism axial piston electricity liquid pump rotor unites two into one the cylinder body of the rotor of permanent-magnet servo motor and axial piston pump.This permanent magnetism axial piston electricity liquid pump rotor is by rotor body 6, magnet steel 7, form every magnetic patch 15, safety cover 8 and copper coin 12.Position annexation between them is: rotor body 6 surfaces have groove; groove surfaces is adhesive with by high strength magnet steel 7 that quantity is identical and every magnetic patch 15; every magnetic patch 15, magnet steel 7 is separated; most external is provided with safety cover 8; by permanent magnetic steel 7 with every magnetic patch 15, be fastened on rotor body 6, rotor body 6 right-hand members are covered with copper coin 12.
As shown in Figure 3, described rotor body 6 is cylindric, its inner uniform some plunger holes 5, and for plunger 23 is installed, uniform three through holes in plunger hole 5 outsides form internal flow road 13, are communicated with the cavity of rotor body 6 both sides; There are lining 4 and plunger cavity 10 in plunger hole 5 inside, and plunger cavity 10 right-hand members are provided with suction oil passage 11;
As shown in Figure 1, described rotor body 6 left side cut-out are provided with swashplate bearing position 1 and swash plate position 2, for the swashplate bearing 18 that passes on left by rotor body 6, are arranged on swash plate assembly 19; Rotor body 6 right side cut-out are provided with thrust plate bearing position 14 and thrust plate position 9, for the right side by rotor body 6, by thrust plate bearing 21, are arranged on thrust plate assembly 20.
Described rotor body 6 centers are provided with splined hole 3, for splined shaft 22 is installed.
Described magnet steel 7 is the tile part, is permanent magnet.
Described is long strip shaped piece every magnetic patch 15, for the magnet steel 7 by adjacent, separates.
Described safety cover 8 is cylindrical tubular member, for by magnet steel 7 be fastened on the surface of rotor body 6 every magnetic patch 15.
Described copper coin 12 is discoid, which is provided with flow window 16.
As shown in Figure 5, the swashplate bearing 18 that passes on left of rotor body 6 is arranged on swash plate assembly 19 a kind of typical application mode of the present invention, and the right side of rotor body 6 is arranged on thrust plate assembly 20 by thrust plate bearing 21; The right side of splined shaft 22 is arranged in the splined hole 3 of rotor center, and left side is arranged in swash plate assembly 19, and sensor cluster 17 is equipped with in swash plate assembly 19 inside, and sensor cluster 17 is positioned at the left side of splined shaft 22.Rotor body 6 is placed on stator armature winding 24 inside.The plunger 23 hinged with swash plate assembly 19 stretches in plunger hole 5.
The invention has the beneficial effects as follows: the housing structure of the rotor of permanent-magnet servo motor and axial piston pump is directly combined together, and middle without any hinged, simple in structure, reliability is high; Rotor both sides cut-out can be used for installing bearing, swash plate and thrust plate, makes electric liquid pump interior spatial structure compactness, reduces electric liquid pump volume; Rotor adopts the pattern of permanent-magnet servo motor and makes the electric liquid pump can integrated speed probe assembly, is convenient to servo-controlled realization.
The accompanying drawing explanation
Fig. 1 electricity liquid pump rotor plan view
Fig. 2 electricity liquid pump rotor A-A sectional drawing
Fig. 3 electricity liquid pump rotor left view
Fig. 4 electricity liquid pump rotor right elevation
Fig. 5 electricity liquid pump rotor typical case application mode
Drawing reference numeral explanation: 1. swashplate bearing position, 2. swash plate position, 3. splined hole, 4. lining; 5. plunger hole, 6. rotor body, 7. magnet steel, 8. safety cover; 9. thrust plate position, 10. plunger cavity, 11. suctions oil passages, 12. copper coins; 13. the internal flow road, 14. thrust plate bearing positions, 15. every magnetic patch, 16. flow windows; 17. sensor cluster, 18. swashplate bearings, 19. swash plate assemblies, 20. thrust plate assemblies; 21. the thrust plate bearing, 22. splined shafts, 23. plungers, 24. stator armature windings.
Embodiment
A kind of permanent magnetism axial piston electricity liquid pump rotor, unite two into one the cylinder body of the rotor of permanent-magnet servo motor and axial piston pump.This permanent magnetism axial piston electricity liquid pump rotor is by rotor body 6, magnet steel 7, form every magnetic patch 15, safety cover 8 and copper coin 12.Position annexation between them is: rotor body 6 surfaces have groove; groove surfaces is adhesive with by high strength magnet steel 7 that quantity is identical and every magnetic patch 15; every magnetic patch 15, magnet steel 7 is separated; most external is provided with safety cover 8; by permanent magnetic steel 7 with every magnetic patch 15, be fastened on rotor body 6, rotor body 6 right-hand members are covered with copper coin 12.
As shown in Figure 3, described rotor body 6 is cylindric, its inner uniform 9 plunger holes 5, and for plunger 23 is installed, uniform three through holes in plunger hole 5 outsides form internal flow road 13, are communicated with the cavity of rotor body 6 both sides; There are lining 4 and plunger cavity 10 in plunger hole 5 inside, and plunger cavity 10 right-hand members are provided with suction oil passage 11;
As shown in Figure 1, Figure 2, Figure 4 shows, described rotor body 6 left side cut-out are provided with swashplate bearing position 1 and swash plate position 2, for the swashplate bearing 18 that passes on left by rotor body 6, are arranged on swash plate assembly 19; Rotor body 6 right side cut-out are provided with thrust plate bearing position 14 and thrust plate position 9, for the right side by rotor body 6, by thrust plate bearing 21, are arranged on thrust plate assembly 20.
Described rotor body 6 centers are provided with splined hole 3, for splined shaft 22 is installed.
Described magnet steel 7 is the tile part, is permanent magnet.
Described is long strip shaped piece every magnetic patch 15, for the magnet steel 7 by adjacent, separates.
Described safety cover 8 is cylindrical tubular member, for by magnet steel 7 be fastened on the surface of rotor body 6 every magnetic patch 15.
Described copper coin 12 is discoid, which is provided with 9 flow windows 16.
As shown in Figure 5, the swashplate bearing 18 that passes on left of rotor is arranged on swash plate assembly 19 a kind of typical application mode of the present invention, and the right side of rotor is arranged on thrust plate assembly 20 by thrust plate bearing 21; The right side of splined shaft 22 is arranged in the splined hole 3 of rotor center, and left side is arranged in swash plate assembly 19, and sensor cluster 17 is equipped with in swash plate assembly 19 inside, and sensor cluster 17 is positioned at the left side of splined shaft 22.Rotor is placed on stator armature winding 24 inside.The plunger 23 hinged with swash plate assembly 19 stretches in plunger hole 5.
Claims (1)
1. permanent magnetism axial piston electricity liquid pump rotor, it is characterized in that: the rotor of permanent-magnet servo motor and the cylinder body of axial piston pump unite two into one, this permanent magnetism axial piston electricity liquid pump rotor is by rotor body (6), magnet steel (7), every magnetic patch (15), safety cover (8) and copper coin (12) form, rotor body (6) surface has groove, groove surfaces is adhesive with the magnet steel that quantity is identical (7) by high strength and every magnetic patch (15), every magnetic patch (15), magnet steel (7) is separated, most external is provided with safety cover (8), by permanent magnetic steel (7) with every magnetic patch (15), be fastened on rotor body (6), rotor body (6) right-hand member is covered with copper coin (12),
Described rotor body (6) is cylindric, its inner uniform a plurality of plunger holes (5), and for plunger (23) is installed, uniform three through holes in plunger hole (5) outside form internal flow road (13), are communicated with the cavity of rotor body (6) both sides; There are lining (4) and plunger cavity (10) in plunger hole (5) inside, and plunger cavity (10) right-hand member is provided with suction oil passage (11); Rotor body (6) left side cut-out is provided with swashplate bearing position (1) and swash plate position (2), for the swashplate bearing (18) that passes on left by rotor body (6), is arranged on swash plate assembly (19); Rotor body (6) right side cut-out is provided with thrust plate bearing position (14) and thrust plate position (9), for the right side by rotor body (6), by thrust plate bearing (21), is arranged on thrust plate assembly (20); Rotor body (6) center is provided with splined hole (3), for splined shaft (22) is installed;
Described magnet steel (7) is the tile part, is permanent magnet;
Described is long strip shaped piece every magnetic patch (15), for the magnet steel by adjacent (7), separates;
Described safety cover (8) is cylindrical tubular member, for by magnet steel (7) be fastened on the surface of rotor body (6) every magnetic patch (15);
Described copper coin (12) is discoid, which is provided with a plurality of flow windows (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373342.3A CN103437975B (en) | 2013-08-23 | 2013-08-23 | A kind of permanent magnet axial direction plunger type electro-hydraulic pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373342.3A CN103437975B (en) | 2013-08-23 | 2013-08-23 | A kind of permanent magnet axial direction plunger type electro-hydraulic pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437975A true CN103437975A (en) | 2013-12-11 |
| CN103437975B CN103437975B (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310373342.3A Expired - Fee Related CN103437975B (en) | 2013-08-23 | 2013-08-23 | A kind of permanent magnet axial direction plunger type electro-hydraulic pump rotor |
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| Country | Link |
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| CN (1) | CN103437975B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417908A (en) * | 2021-06-08 | 2021-09-21 | 北京航空航天大学 | Permanent magnet servo axial plunger pump integrated electro-hydraulic energy system |
| CN115528883A (en) * | 2022-11-25 | 2022-12-27 | 福建省福安市力德泵业有限公司 | Magnetic pump outer magnetic rotor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332220A (en) * | 1994-06-01 | 1995-12-22 | Daikin Ind Ltd | Fluid pressure generating device |
| US5708311A (en) * | 1996-07-17 | 1998-01-13 | Vickers, Inc. | Integrated electric motor driven in line hydraulic pump |
| DE19650270A1 (en) * | 1996-12-04 | 1998-06-10 | Sachsenhydraulik Gmbh | Hydrostatic axial piston engine driven by electric motor |
| CN1928359A (en) * | 2006-08-15 | 2007-03-14 | 兰州理工大学 | Hydraulic engine plunger pump |
| CN2937546Y (en) * | 2006-08-15 | 2007-08-22 | 兰州理工大学 | Hydraulic motor axial plunger pump |
| CN201225247Y (en) * | 2008-07-02 | 2009-04-22 | 燕山大学 | Novel motor axial plunger pump |
| CN203420844U (en) * | 2013-08-23 | 2014-02-05 | 北京航空航天大学 | Permanent magnet axial plunger type electric liquid pump rotor |
-
2013
- 2013-08-23 CN CN201310373342.3A patent/CN103437975B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332220A (en) * | 1994-06-01 | 1995-12-22 | Daikin Ind Ltd | Fluid pressure generating device |
| US5708311A (en) * | 1996-07-17 | 1998-01-13 | Vickers, Inc. | Integrated electric motor driven in line hydraulic pump |
| DE19650270A1 (en) * | 1996-12-04 | 1998-06-10 | Sachsenhydraulik Gmbh | Hydrostatic axial piston engine driven by electric motor |
| CN1928359A (en) * | 2006-08-15 | 2007-03-14 | 兰州理工大学 | Hydraulic engine plunger pump |
| CN2937546Y (en) * | 2006-08-15 | 2007-08-22 | 兰州理工大学 | Hydraulic motor axial plunger pump |
| CN201225247Y (en) * | 2008-07-02 | 2009-04-22 | 燕山大学 | Novel motor axial plunger pump |
| CN203420844U (en) * | 2013-08-23 | 2014-02-05 | 北京航空航天大学 | Permanent magnet axial plunger type electric liquid pump rotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417908A (en) * | 2021-06-08 | 2021-09-21 | 北京航空航天大学 | Permanent magnet servo axial plunger pump integrated electro-hydraulic energy system |
| CN115528883A (en) * | 2022-11-25 | 2022-12-27 | 福建省福安市力德泵业有限公司 | Magnetic pump outer magnetic rotor |
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| Publication number | Publication date |
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| CN103437975B (en) | 2015-11-04 |
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