CN101418792A - High performance spherical hydraulic pump - Google Patents
High performance spherical hydraulic pump Download PDFInfo
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- CN101418792A CN101418792A CNA2008101629814A CN200810162981A CN101418792A CN 101418792 A CN101418792 A CN 101418792A CN A2008101629814 A CNA2008101629814 A CN A2008101629814A CN 200810162981 A CN200810162981 A CN 200810162981A CN 101418792 A CN101418792 A CN 101418792A
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Abstract
The invention discloses a high-performance spherical hydraulic pump, which comprises a casing, a rotor, two blades, four sealing strips, 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 blade hydraulic pump overall plan design.
Background technique
Existing vane hydraulic 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 spherical 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 spherical hydraulic pump, it comprises housing, rotor, two blades, four Stamping Steel Ribbons 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. 3 b housing, C1 is that the center is O1 radius and the identical cylinder of housing cylinder E3 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 that the centre of sphere is the sphere that the O1 radius equates with Fig. 3 b housing sphere F3 radius, and two faces of H1 and I1 are parallel planes, and width equates with width of blade.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, cydariform billiard table two is two identical round platforms, A2 is parallel disk with B2, R2 also is parallel disk with S2, 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 the centre of sphere is O2 radius and the identical sphere of housing sphere F3 radius with F2, G2 is two identical frustum cone sides with H2, two ends were respectively disk A2 and disk R2 to one side round platform up and down, two ends were respectively disk B2 and disk S2 to the opposite side round platform up and down, the spatial position of two frustum cone side G2 and H2 is with following and decide: guarantee to assemble back two frustum cone side G2 and H2 and corresponding housing annulus parallel plane C3 and D3 and fit, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries.
Housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A3 is parallel disk with B3, sphere F3 is the centre of sphere with O3, the radius of outside E2 and F2 sphere equates about radius and rotor, the diagonal angle of housing sphere is a hollow ring, the annulus width equates with vane thickness, C3 is parallel disk with D3, E3 is that the center is the cylinder of O3, its external diameter equates with the outer warp of blade cylinder C1, and external diameter greater than housing sphere F3, the spatial position on C3 that annulus is parallel and D3 two planes is with following and decide: guarantee to assemble back C3 and D3 two planes and fit with corresponding rotor two frustum cone side G2 and H2, the sphere of K3G3H3 is an oil extraction face, the position of G3H3 be when rotor by the turn clockwise position on plane, 90 flat board of rotor when spending left side of initial position, the sphere of L3I3J3 is an oil-feed face, the position of I3J3 be when rotor by the turn clockwise position on 90 planes, rotor flat board right side when spending of initial position.Whole housing is about billiard table center O 3 symmetries.
Cushion block is one section annulus, have identical two, wherein an outside A4 is the cylinder that radius equates with housing diagonal angle annulus E3 external diameter, interior survey B4 is the sphere that radius equates with housing sphere F3 radius, thickness equates that with width of blade two waist C4 and D4 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1.Cushion block is shaped as axisymmetric.
Further, 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; Also can lay a circle ball between described blade cylinder C1 and housing cylinder E3.
The advantage that the present invention has is:
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, being part case shape schematic representation of the present invention (a) and (b), (c) is the M-M generalized section of (b);
Among Fig. 4, (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. 5 is a running principle schematic representation of the present invention;
Among Fig. 6, (a) being the U-U generalized section of Fig. 4 (a), (c) is the V-V generalized section of Fig. 5, 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, 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, wherein a slice A1 is parallel plane with B1, blade 3 width equate with the hollow ring width of Fig. 3 b housing 1, C1 is that the center is O1 radius and the identical cylinder of housing 1 cylinder E3 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 sphere that O1 radius that the centre of sphere is equates with housing 1 sphere F3 radius, two faces of H1 and I1 are parallel planes, and width equates with blade 3 width.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, cydariform billiard table two is two identical round platforms, A2 is parallel disk with B2, R2 also is parallel disk with S2, 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 the O2 radius and the identical sphere of housing 1 sphere F3 radius that the centre of sphere is with F2, G2 is two identical frustum cone sides with H2, two ends were respectively disk A2 and disk R2 to one side round platform up and down, two ends were respectively disk B2 and disk S2 to the opposite side round platform up and down, the spatial position of two frustum cone side G2 and H2 is with following and decide: guarantee to assemble back two frustum cone side G2 and H2 and corresponding housing 1 annulus parallel plane C3 and D3 and fit, whole rotor 2 also is an axisymmetric not only about billiard table center O 2 symmetries.
Fig. 3 a, Fig. 3 b and Fig. 3 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, A3 is parallel disk with B3, sphere F3 is the centre of sphere with O3, radius equates with the radius of big sphere E2 in rotor about 2 outsides and F2, the diagonal angle of housing 1 sphere is a hollow ring, the annulus width equates with blade 3 thickness, C3 is parallel disk with D3, E3 is the cylinder of central shaft by O3, its external diameter equates with the outer warp of blade 3 cylinder C1, and external diameter greater than housing 1 sphere F3, the spatial position on C3 that annulus is parallel and D3 two planes is with following and decide: guarantee to assemble back C3 and D3 two planes and fit with corresponding 2 liang of frustum cone side G2 of rotor and H2, the sphere of point K3G3H3 is an oil extraction face, the position of G3H3 is the position on plane, rotor 2 dull and stereotyped left side when rotor 2 forwards position shown in Figure 5 to, the sphere of L3I3J3 is an oil-feed face, the position of I3J3 is the position on plane, rotor 2 dull and stereotyped right side when rotor 2 forwards position shown in Figure 5 to, and position shown in Figure 5 is a rotor by initial position Fig. 4 a (dull and stereotyped upper and lower surface I2 of Fig. 2 b rotor and J2 are horizontal) 90 positions when spending that turn clockwise.Whole housing 1 is about billiard table center O 3 symmetries.
Also can lay a circle ball between blade cylinder C1 and housing cylinder E3.
5 shapes that are depicted as cushion block 5 of the present invention among Fig. 4 c.Wherein an outside A4 is the cylinder that radius equates with housing 1 diagonal angle annulus E3 external diameter, interior survey B4 is the sphere that radius equates with housing 1 sphere F3 radius, thickness equates that with blade 3 width two waist C4 and D4 are the cylinders that radius equates with the radius of blade 3 bottom surface cylinder E1.Cushion block 5 is shaped as axisymmetric.
As shown in Figure 4 and Figure 5, high performance spherical hydraulic pump of the present invention comprises housing 1, rotor 2, two blades 3, four Stamping Steel Ribbons 4 and two cushion blocks 5.
Operation working principle of the present invention is as follows:
As Fig. 6 c, at an end of vane pump, rotor 2, blade 3, Stamping Steel Ribbon 4 and housing 1 are divided into three independently Seal cage Q1, Q2 and Q3 separately with oil pocket.When rotor 2 when Fig. 4 a or 6a position turn clockwise, chamber Q2 begins oil suction, Q3 is an oil sucting cavity, Q1 is an oil-discharging cavity, as Fig. 6 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. 5 or Fig. 6 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. 6 d.When rotor 2 forwarded Fig. 4 a or 6a 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. 6 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 (3)
1, a kind of high performance spherical hydraulic pump is characterized in that, it comprises housing, rotor, two blades, four Stamping Steel Ribbons 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 E3 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 that central shaft is the cylinder of radius with O1K1 with the symmetry axis of crossing centre of sphere O1.
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 that the centre of sphere is the sphere that the O1 radius equates with housing sphere F3 radius, and two faces of H1 and I1 are parallel planes, and width equates with width of blade.
It in the middle of the rotor the parallel dolioform billiard table that cuts out two spherical crowns in two, cydariform billiard table two is two identical round platforms, A2 is parallel disk with B2, R2 also is parallel disk with S2, 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 the centre of sphere is O2 radius and the identical sphere of housing sphere F3 radius with F2, G2 is two identical frustum cone sides with H2, two ends were respectively disk A2 and disk R2 to one side round platform up and down, two ends were respectively disk B2 and disk S2 to the opposite side round platform up and down, the spatial position of two frustum cone side G2 and H2 is with following and decide: guarantee to assemble back two frustum cone side G2 and H2 and corresponding housing annulus parallel plane C3 and D3 and fit, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries.
Housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A3 is parallel disk with B3, sphere F3 is the centre of sphere with O3, the radius of outside E2 and F2 sphere equates about radius and rotor, the diagonal angle of housing sphere is a hollow ring, the annulus width equates with vane thickness, C3 is parallel disk with D3, E3 is that the center is the cylinder of O3, its external diameter equates with the outer warp of blade cylinder C1, and external diameter greater than housing sphere F3, the spatial position on C3 that annulus is parallel and D3 two planes is with following and decide: guarantee to assemble back C3 and D3 two planes and fit with corresponding rotor two frustum cone side G2 and H2, the sphere of K3G3H3 is an oil extraction face, the position of G3H3 be when rotor by the turn clockwise position on plane, 90 flat board of rotor when spending left side of initial position, the sphere of L3I3J3 is an oil-feed face, the position of I3J3 be when rotor by the turn clockwise position on 90 planes, rotor flat board right side when spending of initial position.Whole housing is about billiard table center O 3 symmetries.
Cushion block is one section annulus, be axisymmetric, its outside A4 is the cylinder that radius equates with housing diagonal angle annulus E3 external diameter, and interior survey B4 is the sphere that radius equates with housing sphere F3 radius, thickness equates that with width of blade two waist C4 and D4 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1.
2, high performance spherical 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.
3, high performance spherical hydraulic pump according to claim 1 is characterized in that, also can lay a circle ball between described blade cylinder C1 and housing cylinder E3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101629814A CN101418792A (en) | 2008-12-11 | 2008-12-11 | High performance spherical hydraulic pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101629814A CN101418792A (en) | 2008-12-11 | 2008-12-11 | High performance spherical hydraulic pump |
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| CN101418792A true CN101418792A (en) | 2009-04-29 |
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| CNA2008101629814A Pending CN101418792A (en) | 2008-12-11 | 2008-12-11 | High performance spherical hydraulic pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562580A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
| CN102562430A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Shell oil distribution type hydraulic motor with cylindrical vanes |
| CN103670521A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type air motor |
| CN103670519A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade pneumatic motor |
| CN103671095A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade hydraulic pump |
-
2008
- 2008-12-11 CN CNA2008101629814A patent/CN101418792A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562580A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
| CN102562430A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Shell oil distribution type hydraulic motor with cylindrical vanes |
| CN102562430B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Shell oil distribution type hydraulic motor with cylindrical vanes |
| CN102562581B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Spherical vane type hydraulic pump |
| CN102562580B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Spherical vane hydraulic pump with oil discharging on shell |
| CN103670521A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type air motor |
| CN103670519A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade pneumatic motor |
| CN103671095A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade hydraulic pump |
| CN103671095B (en) * | 2013-12-16 | 2016-04-13 | 浙江大学 | A kind of Multiple-blade hydraulic pump |
| CN103670521B (en) * | 2013-12-16 | 2016-08-17 | 浙江大学 | A kind of blade gas motor |
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Open date: 20090429 |