CN101418795A - High performance hydraulic pump - Google Patents
High performance hydraulic pump Download PDFInfo
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- CN101418795A CN101418795A CNA2008101629867A CN200810162986A CN101418795A CN 101418795 A CN101418795 A CN 101418795A CN A2008101629867 A CNA2008101629867 A CN A2008101629867A CN 200810162986 A CN200810162986 A CN 200810162986A CN 101418795 A CN101418795 A CN 101418795A
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Abstract
The invention discloses a high-performance hydraulic pump, which comprises a casing, a rotor, two blades, four sealing strips, two oil distribution cones and two cushion blocks. all the sealing places of the pump are surface sealing, and the pump has the advantages of large displacement, high pressure and efficiency, large specific power, compact structure, easy machining, lower cost and long service life.
Description
Technical field
The present invention relates to a kind of oil hydraulic pump, relate in particular to a kind of novel high-performance vane pump overall plan design.
Background technique
Existing vane pump structure is a rotor eccentricity and places in the cylinder body, blade radial and rotor radius are angled to be placed in the rotor, rotor high-speed rotation during work, and blade throws away under action of centrifugal force, form Seal cage with cylinder body, volume-variation produces pressure during rotation.This form vane pump is owing to be by a Line of contact sealing between blade and the cylinder body, so sealability is relatively poor, and delivery pressure is lower, produce very big friction when adding rotation between blade and rotor and cylinder body, cause the vane pump overall wear fast, the life-span is short, and efficient is low.In addition, in order to guarantee that blade can safety pass in and out in rotor, rotor must have suitable diameter during rotation, and the discharge capacity that is bound to like this is less.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of high performance hydraulic pump is provided, the present invention can realize big discharge capacity, and all sealing part is face seal again, and is not easy to wear.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of high performance hydraulic pump, it comprise housing, rotor, two blades, four Stamping Steel Ribbons, two join oil awl and two cushion blocks.Wherein:
The blade approximate half-circular, have identical two, wherein a slice A1 is parallel plane with B1, width of blade equates with the hollow ring width of Fig. 4 b housing, C1 is that the center is O1 radius and the identical cylinder of housing cylinder E4 radius, and D1 is that the centre of sphere is O1 radius and the identical sphere of Fig. 2 b rotor billiard table C2 radius, and E1 is a cylinder, the E1 cylinder is a central shaft with the symmetry axis of crossing centre of sphere O1, is radius with O1K1.
Stamping Steel Ribbon has identical four, wherein a upside is the cylinder that a radius equates with blade cylinder E1 radius, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of Fig. 2 b rotor slab-thickness, G1 is that the centre of sphere is the sphere that the O1 radius equates with Fig. 2 b rotor center billiard table C2 radius, F1 is the centre of sphere equals Fig. 2 a rotor line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with Fig. 4 b housing cylinder F4 radius, width equates with width of blade, R1 and S1 be two gradients with Fig. 4 b in the inclined-plane that equates for the gradient of B4 of face D4.Blade and Stamping Steel Ribbon are axisymmetric.
It in the middle of the rotor the parallel dolioform billiard table that cuts out two spherical crowns in two, billiard table is middle as inserting one flat plate, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, dull and stereotyped upper and lower surface I2 is parallel plane with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing cylinder F4 radius with F2, G2 is two identical cloudy frustum cone sides with H2, up and down two ends, were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries.
Joining the oil awl is a round platform, have identical two, one of them round platform up and down two end A3 and B3 radius respectively with the cloudy frustum cone side G2 of rotor and H2 up and down the radius at two ends equate, highly also the height with cloudy frustum cone side G2 of rotor and H2 equates, the plane C3 that one side is cut mutually by a plane, this plane can be parallel with the bus of joining oil awl frustum cone side, can be not parallel with the bus of joining oil awl frustum cone side yet, the width of plane C3 the widest position is not more than the rotor slab-thickness, the spatial position of plane C3 is with following and decide: guarantee to assemble back plane C3 and corresponding housing annulus parallel plane C4 and D4 and fit a little, plane C3 also can omit, at this moment, plane C3 is degenerated to straight line, the conical surface of D3 to E3 is an oil-feed face, the position of point E3 is the position on plane, rotor flat board left side when rotor forwards position shown in Figure 6 to, the conical surface of point F3 to G3 is an oil extraction face, the position of point G3 is the position on plane, rotor flat board left side when rotor forwards position shown in Figure 6 to, and position shown in Figure 6 is a rotor by initial position Fig. 5 a (Fig. 2 b rotor flat board upper and lower surface I2 and J2 are horizontal) 90 positions when spending that turn clockwise.
Housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, the radius of outside E2 and F2 cylinder equates about radius and rotor, the diagonal angle of housing cylinder is a hollow ring, the annulus width equates with vane thickness, C4 is parallel disk with D4, E4 is that the center is the cylinder of O4, its external diameter equates with the outer warp of blade cylinder C1, and greater than the external diameter of housing cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble plane C3 and the applying of another respective planes of joining oily cone flank face that oily cone flank face is joined on back C4 and D4 two planes and.Whole housing is about billiard table center O 4 symmetries.
Cushion block is one section annulus, have identical two, wherein an outside A5 is the cylinder that radius equates with housing diagonal angle annulus E4 external diameter, interior survey B5 is the sphere that radius equals Fig. 2 a rotor line segment O2M2, thickness equates that with width of blade two waist C5 and D5 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1.Cushion block is shaped as axisymmetric.
Further, the described plane C3 that joins oil awl one side also can omit, and the sphere G1 of described Stamping Steel Ribbon also can be the cylinder that radius is OL, and the appropriate section of rotor sphere C2 of Pei Heing and D2 also is the equal cylinder of radius with it; Further, also can lay a circle ball between described blade cylinder C1 and housing cylinder E4; Described oil-feed face and oil extraction face also can not be placed on joins on the oil awl, and is placed on the housing.
The invention has the beneficial effects as follows:
1) all sealing part are face seal;
2) discharge capacity is big, pressure height, efficient height;
3) specific power is big;
4) compact structure, processing is relatively easy;
5) cost is lower, and the life-span is long.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Among Fig. 1, being parts blade of the present invention and Stamping Steel Ribbon shape schematic representation (a), (b) is the left view of (a);
Among Fig. 2, being parts rotor shapes schematic representation of the present invention (a), (b) is the W-W generalized section of (a);
Among Fig. 3, be that parts of the present invention are joined oily cone-shaped schematic representation (a), the P that (b) is (a) is to schematic representation;
Among Fig. 4, being part case shape schematic representation of the present invention (a) and (b), (c) is the M-M generalized section of (b);
Among Fig. 5, (a) be overall structure schematic representation of the present invention, the K that (b) is (a) (c) is the N-N generalized section of (a) to schematic representation;
Fig. 6 is a running principle schematic representation of the present invention;
Among Fig. 7, (a) being the U-U generalized section of Fig. 5 (a), (c) is the V-V generalized section of Fig. 6, is working procedure principle schematic of the present invention (b) and (d);
Among the figure: 1, housing, 2, rotor, 3, blade, 4, Stamping Steel Ribbon, 5, join the oil awl, 6, cushion block.
Embodiment
Fig. 1 a and Fig. 1 b are depicted as the shape of blade 3 of the present invention and Stamping Steel Ribbon 4.Blade 3 approximate half-circular, have identical two, its A1 is parallel plane with B1, blade 3 width equate with the hollow ring width of Fig. 4 b housing 1, C1 is that the center is O1 radius and the identical cylinder of housing 1 cylinder E4 radius, and D1 is that the centre of sphere is O1 radius and the identical sphere of rotor 2 billiard table C2 radiuses, and E1 is a cylinder, the E1 cylinder is a central shaft with the symmetry axis of crossing centre of sphere O1, is radius with O1K1.
Stamping Steel Ribbon 4 has identical four, wherein a upside is the cylinder that a radius equates with blade 3 cylinder E1 radiuses, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of rotor 2 slab-thicknesses, G1 is that the centre of sphere is the sphere that the O1 radius equates with rotor 2 center billiard table C2 radiuses, sphere G1 also can be the cylinder that radius is OL, the appropriate section of rotor sphere C2 of Pei Heing and D2 also is the equal cylinder of radius with it, F1 is the centre of sphere equals Fig. 2 a rotor 2 line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with Fig. 4 b housing 1 cylinder F4 radius, width equates with blade 3 width, R1 and S1 be two gradients with Fig. 4 b in the inclined-plane that equates for the gradient of B4 of face D4.Blade 3 and Stamping Steel Ribbon 4 are axisymmetric.
Fig. 2 a and Fig. 2 b are depicted as the shape of rotor 2 of the present invention.It in the middle of the rotor 2 the parallel dolioform billiard table that cuts out two spherical crowns in two, billiard table is middle as inserting one flat plate, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, when the sphere G1 of Stamping Steel Ribbon 4 is that radius is when being the cylinder of OL, the appropriate section of sphere C2 of Pei Heing and D2 also is the equal cylinder of radius with it, dull and stereotyped upper and lower surface I2 is parallel plane with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing 1 cylinder F4 radius with F2, G2 is two identical cloudy frustum cone sides with H2, up and down two ends, were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor 2 also is an axisymmetric not only about billiard table center O 2 symmetries.
Fig. 3 a and Fig. 3 b are depicted as shape of joining oil awl 5 of the present invention.Joining oil awl 5 is round platforms, have identical two, one of them round platform up and down two end A3 and B3 radius respectively with rotor 2 cloudy frustum cone side G2 and H2 up and down the radius at two ends equate, highly also the height with rotor 2 cloudy frustum cone side G2 and H2 equates, the plane C3 that one side is cut mutually by a plane, this plane can be parallel with the bus of joining oil awl 5 frustum cone sides, can be not parallel with the bus of joining oil awl 5 frustum cone sides yet, the width of plane C3 the widest position is not more than rotor 2 slab-thicknesses, the spatial position of plane C3 is with following and decide: guarantee to assemble back plane C3 and corresponding housing 1 annulus parallel plane C4 and D4 and fit, the conical surface of D3 to E3 is an oil-feed face, the position of point E3 is the position on plane, rotor 2 dull and stereotyped left side when rotor 2 forwards position shown in Figure 6 to, the conical surface of point F3 to G3 is an oil extraction face, the position of point G3 is the position on plane, the dull and stereotyped left side of rotor 2 when rotor 2 forwards position shown in Figure 6 to, and position shown in Figure 6 is a rotor by initial position Fig. 5 a (Fig. 2 b rotor flat board upper and lower surface I2 and J2 are horizontal) 90 positions when spending that turn clockwise.
Oil-feed face and oil extraction face also can not be placed on joins on the oil awl 5, and is placed on the housing 1.
Fig. 4 a, Fig. 4 b and Fig. 4 c are depicted as the shape of housing 1 of the present invention.Housing 1 is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor 2, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, radius equates with the radius of rotor about 2 outside E2 and F2 cylinder, the diagonal angle of housing 1 cylinder is a hollow ring, the annulus width equates with blade 3 thickness, C4 is parallel disk with D4, E4 is the cylinder of central shaft by O4, its external diameter equates with the outer warp of blade 3 cylinder C1, and greater than the external diameter of housing 1 cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble plane C3 and the applying of another respective planes of joining oily cone flank face that oil awl 5 sides are joined on back C4 and D4 two planes and.Whole housing 1 is about billiard table center O 4 symmetries.
Also can lay a circle ball between blade cylinder C1 and housing cylinder E4.
6 shapes that are depicted as cushion block 6 of the present invention among Fig. 5 c.Cushion block 6 is one section annulus, have identical two, wherein an outside A5 is the cylinder that radius equates with housing 1 diagonal angle annulus E4 external diameter, interior survey B5 is the sphere that radius equals Fig. 2 a rotor 2 line segment O2M2, thickness equates that with blade 3 width two waist C5 and D5 are the cylinders that radius equates with the radius of blade 3 bottom surface cylinder E1.Cushion block 6 is shaped as axisymmetric.
As shown in Figure 5 and Figure 6, high performance hydraulic pump of the present invention comprises that housing 1, rotor 2, two blades 3, four 4, two of Stamping Steel Ribbons join 5 and two cushion blocks 6 of oil awl.
Operation working principle of the present invention is as follows:
As Fig. 7 c, at an end of vane pump, rotor 2, blade 3, Stamping Steel Ribbon 4 is joined oil awl 5 and housing 1 oil pocket is divided into three independently Seal cage Q1, Q2 and Q3 separately.When rotor 2 when Fig. 5 a or 7a position turn clockwise, chamber Q2 begins oil suction, Q3 is an oil sucting cavity, Q1 is an oil-discharging cavity, as Fig. 7 b.Rotor 2 continues rotation clockwise, and oil sucting cavity Q2 and Q3 constantly enlarge, and oil-discharging cavity Q1 constantly dwindles.When forwarding Fig. 6 or Fig. 7 c position to, it is maximum that oil sucting cavity Q3 reaches.At this moment, oil sucting cavity Q2 and Q3 and oil-discharging cavity Q1 still keep isolating.When rotor 2 continued rotation, chamber Q3 began oil extraction, and at this moment chamber Q2 still is an oil sucting cavity, and chamber Q1 still is an oil-discharging cavity, as Fig. 7 d.When rotor 2 forwarded Fig. 5 a or 7a position to, chamber Q1 oil drained, and at this moment chamber Q2 still is an oil sucting cavity, and chamber Q3 still is an oil-discharging cavity.When rotor 2 continuation rotations, new oil sucting cavity begins oil suction, and chamber Q2 is also in oil suction, and chamber Q3 is also in oil extraction.When rotor 2 forwarded Fig. 7 c position again to, it is maximum that oil sucting cavity Q2 reaches, and begins oil extraction then, and at this moment, new oil sucting cavity is still in oil suction, and chamber Q3 is still in oil extraction.So go round and begin again.At the other end of vane pump, situation is also identical with this end.
The foregoing description is used for the present invention that explains, rather than this aspect is limited, and in the protection domain of spirit of the present invention and claim, any modification and change to make this aspect all fall into protection scope of the present invention.
Claims (5)
1. a high performance hydraulic pump is characterized in that, it comprise housing, rotor, two blades, four Stamping Steel Ribbons, two join oil awl and two cushion blocks.Wherein:
Blade is an axisymmetric, form by face A1, B1, C1, D1, E1, plane A1 is parallel with B1, width of blade equates with the hollow ring width of housing, C1 is that the center is O1 radius and the identical cylinder of housing cylinder E4 radius, D1 is that the centre of sphere is O1 radius and the identical sphere of rotor billiard table C2 radius, and E1 is to be central shaft with the symmetry axis of crossing centre of sphere O1, is the cylinder of radius with O1K1.
Stamping Steel Ribbon is an axisymmetric, its upside is the cylinder that a radius equates with blade cylinder E1 radius, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of rotor slab-thickness, G1 is that the centre of sphere is the sphere that the O1 radius equates with rotor center billiard table C2 radius, F1 is the centre of sphere equals rotor line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with housing cylinder F4 radius, width equates with width of blade, R1 and the S1 inclined-plane that to be two gradients equate for the gradient of B4 with face D4.
It in the middle of the rotor the parallel dolioform billiard table that cuts out two spherical crowns in two, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, dull and stereotyped upper and lower surface I2 is parallel plane with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing cylinder F4 radius with F2, and G2 is two identical cloudy frustum cone sides with H2, and up and down two ends were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries.
Joining the oil awl is a round platform, up and down the radius of two end A3 and B3 respectively with the cloudy frustum cone side G2 of rotor and H2 up and down the radius at two ends equate, highly also the height with cloudy frustum cone side G2 of rotor and H2 equates, the plane C3 that one side is cut mutually by a plane, this plane can be parallel with the bus of joining oil awl frustum cone side, can be not parallel with the bus of joining oil awl frustum cone side yet, the width of plane C3 the widest position is not more than the rotor slab-thickness, the spatial position of plane C3 is with following and decide: guarantee to assemble back plane C3 and corresponding housing annulus parallel plane C4 and D4 and fit, the conical surface of point D3 to E3 is an oil-feed face, the position of point E3 is the position on plane when rotor is turned clockwise 90 flat boards of rotor when spending by initial position on the left of, the conical surface of point F3 to G3 is an oil extraction face, and the position of some G3 is the position on plane when rotor is turned clockwise 90 flat boards of rotor when spending by initial position on the left of.
Housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, the radius of outside E2 and F2 cylinder equates about radius and rotor, the diagonal angle of housing cylinder is a hollow ring, the annulus width equates with vane thickness, C4 is parallel disk with D4, E4 is that the center is the cylinder of O4, its external diameter equates with the outer warp of blade cylinder C1, and greater than the external diameter of housing cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble plane C3 and the applying of another respective planes of joining oily cone flank face that oily cone flank face is joined on back C4 and D4 two planes and.Whole housing is about billiard table center O 4 symmetries.
Cushion block is one section annulus, outside A5 is the cylinder that radius equates with housing diagonal angle annulus E4 external diameter, interior survey B5 is the sphere that radius equals rotor line segment O2M2, and thickness equates that with width of blade two waist C5 and D5 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1; Cushion block is an axisymmetric.
2, high performance hydraulic pump according to claim 1 is characterized in that, the described plane C3 that joins oil awl one side also can omit.
3, high performance hydraulic pump according to claim 1 is characterized in that, the sphere G1 of described Stamping Steel Ribbon also can be the cylinder that radius is OL, and the appropriate section of rotor sphere C2 of Pei Heing and D2 also is the equal cylinder of radius with it.
4, high performance hydraulic pump according to claim 1 is characterized in that, also can lay a circle ball between described blade cylinder C1 and housing cylinder E4.
5, high performance hydraulic pump according to claim 1 is characterized in that, described oil-feed face and oil extraction face also can not be placed on joins on the oil awl, and is placed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101629867A CN101418795A (en) | 2008-12-11 | 2008-12-11 | High performance hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101629867A CN101418795A (en) | 2008-12-11 | 2008-12-11 | High performance hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101418795A true CN101418795A (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101629867A Pending CN101418795A (en) | 2008-12-11 | 2008-12-11 | High performance hydraulic pump |
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| CN (1) | CN101418795A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116294A (en) * | 2011-01-31 | 2011-07-06 | 程涛 | Spherical cylinder for constant torque compressors and gas engines |
| CN102536625A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Cylindrical vane hydraulic motor |
| CN102536803A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
| CN102562580A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN103671096A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic pump |
| CN103671097A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane pump |
-
2008
- 2008-12-11 CN CNA2008101629867A patent/CN101418795A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116294B (en) * | 2011-01-31 | 2013-10-09 | 程涛 | Spherical cylinder for constant torque compressors and gas engines |
| CN102116294A (en) * | 2011-01-31 | 2011-07-06 | 程涛 | Spherical cylinder for constant torque compressors and gas engines |
| CN102536625B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Cylindrical vane hydraulic motor |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
| CN102562580A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN102536803A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102562580B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN102536625A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Cylindrical vane hydraulic motor |
| CN102536803B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102562581B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Spherical vane type hydraulic pump |
| CN103671096A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic pump |
| CN103671097A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane pump |
| CN103671097B (en) * | 2013-12-16 | 2016-04-13 | 浙江大学 | A kind of vane pump |
| CN103671096B (en) * | 2013-12-16 | 2016-05-18 | 浙江大学 | A kind of blade hydraulic pump |
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Open date: 20090429 |