CN102465964B - Hybrid lubricating assembly - Google Patents

Abstract

The invention provides a hybrid lubricating assembly comprising a composite member and a shell, wherein the composite member comprises at least two unit members and is provided with an axle hole which axially penetrates through the composite member and enables an axle core to pass through; at least one group of multiple grooves communicated with the axle hole is arranged on at least one axial end face of at least one unit member in the composite member; the shell is provided with a hollow cavity perforative along an axial direction so as to accommodate the composite member; the outer wall of the composite member and the inner wall of the shell are encircled to form at least one storage chamber for storing lubricating media; and at least one group of multiple flow channels communicated with the axle hole and the at least one storage chamber is formed between at least one adjacent unit members of the at least one group of multiple grooves in the composite member.

Description

Hybrid lubrication assembly

Technical field

The invention provides a kind of hybrid lubrication assembly, espespecially can surround between the outer wall of assembly parts and the inwall of shell and form at least one apotheca storing lubricant medium, and continue to form the multiple flow passages dynamic pressure of powerful back shaft core rotation and the hybrid lubrication assembly of circulation and stress lubricant medium.

Background technique

Existing bearing is under the harsh operating conditions such as high temperature, low temperature, high capacity, high rotating speed, high vibration, usually the axle core rotation through the short time namely may because of the consumption gradually of lubricant medium (lubricating media), cause axle core directly and axis hole wall there is high-frequency knocking and collision, thus excessive abrasion and heating is caused, cause this bearing to occur noise at last, scrape the different shape such as axle, reaming and accelerate damage, be existing bearing institute be badly in need of solution technical problem.

Want between the shaft hole inner wall of bearing and the axle outer core of rotation, to form the tribology interface (tribology interface) of high-quality to continue smooth operation under above-mentioned harsh operating conditions for a long time, enough lubricant mediums are rich in and evenly and supply swimmingly and reclaim this lubricant medium except bearing must be made, also must possess the production of Simplified flowsheet, integrally-built stiffness, lubricant medium runner and the position of apotheca and the adjustability of capacity, and use the elasticity of diversification lubricant medium; Above-mentioned lubricant medium general reference is any can make the material playing high-quality lubrication effect between running shaft core and the axis hole of bearing, such as, including, but not limited to: the lubricant oil (oil) that vicidity is lower and higher oiling agent (lubricants), lubricating grease (grease) and the oiling agent etc. containing solid lubrication particle of vicidity.

US2006/0171618A1 proposes a kind of self-lubricating bearing formed by the hollow assembly parts being sheathed on axle core, two stepped cylindrical miner diameter ends that this assembly parts is ㄒ font by outward appearance dock, to form the assembly parts that an outer circumferential face is indent, and be located at this assembly parts to form the apotheca that stores lubricant oil with a hollow cylinder casing, and by formed this apotheca interface between gap (gap) by lubricant oil seepage flow to axis hole; But the higher oiling agent of vicidity is unable to supply by above-mentioned bearing.

GB1389857A proposes the self-lubricating bearing that a kind of hollow circuit cylinder plastic by injection molding is sheathed on axle core, this plastic vertically interval arranges the fin-like annulus of multiple radial protrusion, and the outer circumferential face of this plastic is located at a hollow cylinder casing, to make to form multiple ring-type apotheca storing lubricant medium between adjacent two annulus, and by multiple through holes of arranging between each apotheca with by lubricant medium seepage flow to axis hole; But, must change with other technique with the above-mentioned bearing that metal or ceramic material make structure stronger, reduce production due to the complexity of structure.

US3917362A proposes a kind of self-lubricating bearing formed by the hollow assembly parts being sheathed on axle core, the outer circumferential face central authorities of this assembly parts radially ring establish a groove, and the outer circumferential face being located at this assembly parts with a hollow cylinder casing is with make this groove be formed ring-type apotheca that one stores lubricating grease, and the multiple through holes arranged by this groove with by lubricating grease seepage flow to axis hole.

Above-mentioned each existing bearing all designs without the reclaim mechanism of special dynamic pressure and lubricant medium, lacks adjustability to the runner of lubricant medium and the position of apotheca and capacity, lacks flexibility to use diversification lubricant medium, and the structure of complexity and reduce production; Therefore, under being applied to the harsh operating conditions such as high temperature, low temperature, high rotating speed, high capacity, high vibration, its narrow limitation is all had.

Summary of the invention

The present invention is the disappearance overcoming above-mentioned prior art, is propose a kind of hybrid lubrication assembly, and comprise a shell, this shell is be the hollow cylinder run through vertically, to form a cavity, and an assembly parts, this assembly parts is made up of at least two unit pieces, be two joints at each unary axial two ends, with by each group of adjacent two unit pieces mutually against joint, maximum radial periphery wall between each unary described two joints is a department of assembly, so that this assembly parts is placed in the cavity of this shell, by this department of assembly towards axially extend to this unit piece in these two joints at least one of them forms at least one waist of indent, this unit piece is provided with the core bore axially run through, and an axis hole of this assembly parts is formed by these at least two those core bore unary, wear for an axle core, at least one group of multiple chase at least one in these two joints of a unit piece being equipped with and being communicated with this at least one waist and this core bore is had at least in this assembly parts, and by surrounding at least one apotheca being formed and store lubricant medium between the outer wall of this assembly parts and the internal face of this shell, and by forming at least one group of multiple runner being communicated with this at least one apotheca and this axis hole between at least one group of adjacent two unit pieces of this at least one group multiple chase in this assembly parts.

According to further improved technical scheme of the present invention, extend described unary a junction form arbitrary outer radial periphery wall waist less than described department of assembly by unary department of assembly is recessed towards axial side.

According to further improved technical scheme of the present invention, recessedly towards axial both sides respectively by unary department of assembly extend described unary two joints and form arbitrary outer radial periphery wall two waists less than described department of assembly.

According to further improved technical scheme of the present invention, the cavity of unary department of assembly and shell matches, make the assembly parts formed by least two unit pieces fit in the internal face of described cavity with described department of assembly, and described assembly parts is firmly maintained in the cavity of described shell.

According to further improved technical scheme of the present invention, be provided with at least one fin extended vertically in the cavity inner wall face of shell, and be provided with the respective slot mutually engaged with described at least one fin of described shell in unary department of assembly.

According to further improved technical scheme of the present invention, be provided with at least one fin extended vertically in unary department of assembly, and be provided with the respective slot mutually engaged with described at least one fin of described department of assembly in the cavity inner wall face of shell.

According to further improved technical scheme of the present invention, have at least in assembly parts a unit piece towards two joints at least one of them is provided with the groove of enlarging on the wall of core bore.

According to further improved technical scheme of the present invention, unary each groove is communicated with and contains one group of corresponding on core bore wall multiple exit or entrance of a clitch of one group of multiple chase.

According to further improved technical scheme of the present invention, at least one groove in assembly parts between adjacent two unit pieces of each group surrounds formation one circular groove, and described circular groove is communicated with and contains one group of corresponding on axis hole wall multiple road junction of one group of multiple runner.

According to further improved technical scheme of the present invention, the assembling mode of shell and assembly parts be by least two unary departments of assembly in described assembly parts vertically close-fitting be riveting in the cavity of described shell, the extension riveting meat resulting from described shell two ends in above-mentioned close-fitting riveted process is flattened towards the both ends of the surface of described assembly parts the strengthening rib become between the described shell of encapsulating and described assembly parts simultaneously.

According to further improved technical scheme of the present invention, radial assembly between at least one group in assembly parts adjacent two unit pieces is installed according to random fashion, make to be communicated with groove respectively and mutually in the multiple chase of staggered two adjacent groups between forms the one group of multiple runner interlocked be communicated with circular groove.

According to further improved technical scheme of the present invention, radial assembly between at least one group in assembly parts adjacent two unit pieces is installed according to orientation type, makes to be communicated with groove respectively and forms the one group of multiple runner docked be communicated with circular groove between the mutual multiple chase of two adjacent groups in alignment.

According to further improved technical scheme of the present invention, a unit piece is had at least to engage with the internal face of shell with department of assembly in assembly parts and integrally formed.

According to further improved technical scheme of the present invention, have at least in assembly parts one group of adjacent two unit piece respectively with joint engage and integrally formed.

According to further improved technical scheme of the present invention, in hybrid lubrication assembly, the set-up mode of at least one group of multiple runner meets relation :-2≤logD≤0.5 × log (2 × Sd × H/N); Wherein N is the sum of runner in described hybrid lubrication assembly, and the equivalent hydraulic diameter of single runner that D is is unit with millimeter (millimeter), Sd is the axle core diameter in units of millimeter, and H is the axis hole length in units of millimeter.

The invention provides a kind of novel hybrid lubrication modular construction formed by least two unit piece assembly, reach effect of modulation payload length, apotheca number and capacity and uniform lubricant medium.

The invention provides a kind of hybrid lubrication assembly that can store a large amount of and polynary lubricant medium, significantly extend and optimize operational limitation and the life-span of bearing.

The invention provides a kind of hybrid lubrication subassembly product platform that there is modular design and simplify batch production technique, reach and be easy to control and the effect promoting quality and reduce costs.

The invention provides a kind of novel lubrication mechanism of powerful supporting rotating shaft core, reach and continue to produce dynamic pressure and effect of energy circulation and stress lubricant medium.

The invention provides one and there is flexible design and the flexible hybrid lubrication Components Development platform of application, to adapt to the diversification industry application demand under various different tribology condition.

Accompanying drawing explanation

Fig. 1 is the solid assembling External view of first embodiment of the invention;

Fig. 2 is the three-dimensional exploded view of first embodiment of the invention;

Fig. 3 is the assembling section of first embodiment of the invention;

Fig. 4 is the another kind of three-dimensional exploded view of first embodiment of the invention;

Fig. 5 is the assembling section of second embodiment of the invention;

Fig. 6 is the assembling section of third embodiment of the invention;

Fig. 7 is a kind of unary stereo appearance figure of the present invention;

Fig. 8 is the another kind of unary stereo appearance figure of the present invention;

Fig. 9 is another unary stereo appearance figure of the present invention;

Figure 10 is the assembling section of fourth embodiment of the invention;

Figure 11 is the assembling section of fifth embodiment of the invention;

Figure 12 is the assembling section of sixth embodiment of the invention; And

Figure 13 is the assembling section of seventh embodiment of the invention.

Embodiment

Below please refer to Fig. 1 to Figure 13, hybrid lubrication assembly of the present invention is further described.

As shown in Figures 1 to 4, be the another kind of three-dimensional exploded view of solid assembling External view, three-dimensional exploded view, assembling section and the first embodiment of the invention being respectively first embodiment of the invention, two assemblies up and down wherein in Fig. 2 are respectively the present invention and correspond to two kinds of unit piece 16a of First Series and the stereo appearance figure of unit piece 16b in Fig. 1; This hybrid lubrication assembly is made up of shell 10 and assembly parts 12, wherein:

This shell 10 is a hollow cylinder run through vertically, and with the integrity of the cavity 11 and strong bearing structure that form sheathed assembly parts 12, it is made up of fine and close material or concrete dynamic modulus material.

This assembly parts 12 is made up of fine and close material or concrete dynamic modulus material, comprise two unit piece 16a and the unit piece 16b of the formation of assembly vertically, each unit piece 16a, 16b is provided with a core bore 25 axially run through, by this two unit piece 16a, the core bore 25 of 16b forms the axis hole 18 of assembly parts 12, wear for axle core (not shown), at each unit piece 16a, one end of 16b is respectively equipped with the department of assembly 20 that has larger outer radial periphery wall, each unit piece 16a is extended to towards core bore 25 direction by this department of assembly 20, the other end of 16b forms a waist 21 respectively, this waist 21 be arbitrary radial dimension vertically all comparatively this department of assembly 20 be little periphery wall, each unit piece 16a is respectively at this waist 21 end, a junction 22 of 16b, the end face of this joint 22 near department of assembly 20 is respectively each unit piece 16a dorsad, another joint 23 of 16b, in actual applications, the periphery wall of described waist 21 can present different shapes, only discloses with a typical conical surface with simplified illustration in various embodiments of the present invention.

In the present embodiment, unit piece 16a and the main distinction of unit piece 16b are that the free end of the joint 22 of unit piece 16a is also equipped with the one group of multiple chase 35 being communicated with waist 21 and core bore 25, and the joint 22 of unit piece 16b does not arrange the plurality of chase 35; When two unit piece 16a, 16b joint 22 mutually against time, form one group of multiple runner 32 that lubricant medium seepage flow can be lubricated to axis hole 18 for axle core at junction point one group of multiple chase 35 set by the joint 22 of described unit piece 16a with the free end of the joint 22 of unit piece 16b, the equivalent hydraulic diameter (equivalent/hydraulic diameter) of the multiple runner of this group 32 is identical with this group multiple chase 35; Again, the shape of this department of assembly 20 and size and cavity 11 match, to make department of assembly 20 closely connected in the internal face of described cavity 11 by close-fitting, and make assembly parts 12 firmly be maintained in the cavity 11 of shell 10, and by surrounding between the outer wall of this assembly parts 12 and the internal face of cavity 11, to form a cross section be the apotheca 15 that isosceles triangle can store for lubricant medium, and make the multiple runner 32 of this group be communicated with axis hole 18 and apotheca 15, to form the hybrid lubrication assembly of the present embodiment; Lubricant medium of the present invention is made a general reference lubricant oil or is high lubricating grease and the oiling agent etc. containing solid lubrication particle compared with the vicidity of lubricant oil.

Hybrid lubrication assembly of the present invention is as department of assembly 20 using the portion perimeter wall of each in this assembly parts 12 unit piece 16a, 16b, when assembling each unit piece 16a, 16b are in the cavity 11 of shell 10, can guarantee that the axis hole 18 be made up of core bore 25 has alignment accurately, reach and be easy to control the effect with lifting capacity yield and quality.

The axial cross section of apotheca 15 of the present invention can present other different shape, such as rectangle, circular arc, polygonal etc. according to the profile of the waist 21 of adjacent two unit piece 16a, 16b; Obviously, therefore in the present embodiment, the shape of cited apotheca 15 is non-limits to the scope of the claims of the present invention.

The present invention is by adjusting the shape of multiple chase 35, number and size, make lubricant medium in described apotheca 15 via the steady flow of multiple runner 32 between the axis hole 18 and axle core of assembly parts 12, to adapt to different tribology conditions, thus significantly extend and optimize operational limitation and the life-span of bearing.

When rotating in the axis hole 18 of axle core at assembly parts 12, lubricant medium in apotheca 15 can expand because of importing into of tribology heat-dissipating, and make the vicidity of lubricant medium reduce and increase mobility, impel described lubricant medium via the plurality of runner 32 seepage flow to axis hole 18, and cause the plurality of runner 32 lower towards the pressure of axis hole 18 end due to the centrifugal force produced when axle core rotates, and it is higher towards the pressure of apotheca 15 end, the pressure difference formed by multiple runner 32 two ends can push the lubricant medium in apotheca 15 to axis hole 18 further, the lubrication interface formed between axis hole 18 of the present invention and axle core is made far to be thicker than the existing self-lubricating bearing only using the lower vicidity of impregnation in advance lubricant oil, again because invention unit part 16a, 16b also can be made up of the concrete dynamic modulus material of soaking by lubricating oil in advance, make the lubrication mechanism between axis hole 18 and axle core except supplying except lubricant medium by described apotheca 15 by multiple runner 32, also drive supplying lubricating oil by the concrete dynamic modulus material of described oil-containing by capillary force simultaneously, thus form the lubrication interface of more high-quality, strengthening tribology effect further.

The wall at core bore 25 two ends of each unit piece 16a, 16b is also provided with respectively towards the groove 36 of two joints 22,23 enlarging gradually, for the unit piece 16a that joint 22 is provided with one group of multiple chase 35, described groove 36 is in order to be communicated with and to contain the exit or entrance of a clitch 41 of the multiple chase 35 of this group on core bore 25 wall; Two unit piece 16a, the 16b arranged vertically in this assembly parts 12 are mutual to formation with two adjacent joints 22 respectively, and be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, make described adjacent two grooves 36 surround formation one be communicated with and contain the multiple corresponding road junction 42 of the multiple runner of this group 32 on axis hole 18 wall, and the formation cross section vertically looked towards these road junctions 42 is the banded circular groove 38 of convergent.

When axle core rotates in the axis hole 18 of described hybrid lubrication assembly, axle core can also converge the lubricant medium to be ready supplying near a runner 32 of axle core along rolling extrusion in the described circular groove 38 of cross section convergent, to form the dynamic pressure of back shaft core, and with pushing in apotheca 15 by this lubricant medium via another runner 32 adjacent before it; Now, the next runner 32 rotated along this circular groove 38 with axle core starts to supply lubricant medium, and rolling extrusion also converges the lubricant medium to be ready supplying near this runner 32 of axle core immediately, and again form the dynamic pressure of back shaft core, and then this lubricant medium is pushed in apotheca 15 via another runner 32 adjacent before it; The dynamic pressure forming continuous back shaft core with the axle core rotation lubricant medium that the rolling extrusion runner 32 that also convergence is about to close axle core is supplied in circular groove 38 again and again like this, and then by the circular groove 38 of cross section convergent, this lubricant medium is recycled in apotheca 15 via adjacent next runner 32, thus continue to form a kind of powerful multiple flow passages dynamic pressure of back shaft core rotation and the lubrication mechanism (multi-channel dynamic-pressure support and recycle lubricatingmechanism) of circulation and stress lubricant medium; Automatically supplement and circulation and stress lubricant medium because hybrid lubrication assembly of the present invention has, and continue the novel lubrication mechanism forming the dynamic pressure of powerful back shaft core, thus load and vibration resistance can be strengthened, reach the effect significantly increased the service life.

For simplified illustration, in the assembly parts 12 of the present embodiment and following embodiment each unary core bore 25 two ends wall on be all provided with respectively towards the groove 36 of two joints 22,23 enlarging gradually, only apparent, for realizing the dynamic pressure of above-mentioned powerful back shaft core and can automatically supplementing and effect of circulation and stress lubricant medium, as long as have a unit piece at least towards two joints 22 in this assembly parts 12, at least one in 23 is provided with the groove 36 of enlarging on the wall of core bore 25, and this groove 36 is communicated with and contains the multiple chase of this group 35 at the multiple exit or entrance of a clitch 41 of the correspondence of core bore 25 wall, at least one groove 36 between these adjacent two unit pieces can be made to surround formation one circular groove 38, and this circular groove 38 is communicated with and contains the multiple runner of this group 32 at the multiple road junction 42 of the correspondence of axis hole 18 wall, effect similar to above-mentioned circular groove 38 can be played.

Fig. 4 is the another kind of three-dimensional exploded view of first embodiment of the invention, the main distinction of itself and Fig. 1 to Fig. 3 is: be joined to integrally formed 16a ' with the department of assembly 20 of a unit piece 16a with the internal face of shell 10 one end in advance, engage with the joint 22 of the joint 22 of this integrally formed 16a ' with another unit piece 16b again, to reach the batch production technique and more strong overall structure of more simplifying; In addition, the internal face of shell 10 also arranges four the symmetrical fins 13 extended vertically, and along the department of assembly 20 of this another unit piece 16b being arranged the respective slot 14 mutually engaged with this fin 13 on this shell 10, to optimize batch production technique and the structural strength of hybrid lubrication assembly further.

Fig. 5 is the assembling section of second embodiment of the invention, this assembly parts 12 comprises three two kind unit piece 16a, the 16bs identical with the first embodiment, these three unit pieces are arranged in the cavity 11 of shell 10 in different alignments, so that the benefit of hybrid lubrication assembly of the present invention to be described; For require with unit piece 16a, 16b of first embodiment's equal length for, the present embodiment can provide longer axle core loaded length, and for example will maintain the axle core loaded length identical with the first embodiment, then the present embodiment can adopt unit piece 16a, the 16b relatively shorter than the first embodiment.

According to two group adjacent two unit pieces (16a, 16b) of assembly parts 12 in cavity 11, the arrangement mode between (16b, 16a) can be divided into docking and be connected in series two profiles state; Wherein, when adjacent two unit piece 16a, 16b are the docking arrangement of opposite direction assembly (espespecially compared with unit piece 16a and the middle unit piece 16b of lower floor), it becomes the kenel identical with the first embodiment with the docking of the joint 22 of this two unit piece 16a, 16b respectively; Separately, when adjacent two unit piece 16a, 16b are the serial connection arrangement of equidirectional assembly (espespecially compared with unit piece 16a and the middle unit piece 16b on upper strata), it is the joint 23 being serially connected with unit piece 16b respectively with the joint 22 of unit piece 16a; Compared to the first embodiment, the present embodiment makes one group of the joint 22 of unit piece 16a multiple chase 35 and joint 23 surround to form another to organize multiple runner 32, the multiple runner of this group 32 has the number identical with multiple chases 35 of the first embodiment and equivalent hydraulic diameter, and surround by the internal face of shell 10 and the waist 21 of described unit piece 16a and the joint 23 of unit piece 16b the apotheca 15a forming a rectangular triangle in cross section and can store for lubricant medium, the half of described apotheca 15 when the capacity of this apotheca 15a is only aforementioned docking arrangement; Again, at two junction points of assembly parts 12 by two groups of banded circular grooves 38 of described two groups of adjacent two grooves 36 Formation cross-section convergents respectively, these two groups of circular grooves 38 have effect identical with the first embodiment, one group of multiple runner 32 can be communicated with respectively in two apothecas 15,15a, automatically to supplement and the different vicidity lubricant medium of circulation and stress, and continue to form dynamic pressure at these two groups multiple runner 32 places.

Fig. 6 is the assembling section of third embodiment of the invention, this assembly parts 12 comprises four two kind unit piece 16a, the 16bs identical with the first embodiment, these four unit pieces are arranged in the cavity 11 of shell 10 in different alignments, to further illustrate the benefit of hybrid lubrication assembly of the present invention; Described assembly parts 12 to can be considered by two groups of adjacent two unit piece 16a, 16bs identical with the first embodiment respectively with joint 22 mutually against being formed, and by mutual to formation with joint 23 respectively for adjacent two the unit piece 16b be positioned between these two groups adjacent two unit piece 16a, 16b, and forming two apothecas 15 by between the outer wall of this assembly parts 12 and the internal face of shell 10, this two apotheca 15 is communicated with axis hole 18 respectively with the two groups of multiple runners 32 formed between described two groups of adjacent two unit piece 16a, 16b; For be applied to unit piece 16a, 16b of first embodiment's equal length for, the present embodiment can provide the axle core loaded length longer compared with the second embodiment; Otherwise, for be applied to the axle core of first embodiment's same bearer length for, the present embodiment can use thinner four unit pieces 16a, 16b to reach, so can, at a distance of shorter two groups multiple runner 32 position supply axis hole 18 lubricant mediums, make the thickness of the axial distribution of supplied lubricant medium and tribology interface more even.

During practical application, obviously the assembly parts 12 formed by above-mentioned isonomic different units part 16a and the assembly of unit piece 16b institute, the unit piece 16a of varying number and the unit piece 16b of varying number can be comprised respectively, by each group of adjacent two unit piece 16a, the apotheca 15 of varying number and different types can be formed between the assembly parts 12 that between 16b, different type of array is formed and shell 10, 15a, and be communicated with these apothecas 15 respectively, the corresponding many groups of multiple runners 32 forming varying number and different types between 15a with axis hole 18, so not only can at these apothecas 15, the lubricant medium of variety classes and capacity is stored respectively in 15a, and many groups of multiple runners 32 by being distributed in axis hole 18 formed evenly lubrication interface, and by many groups circular groove 38 of aforementioned cross section convergent, continue to form many groups multiple flow passages dynamic pressure of powerful back shaft core and the tribology mechanism of circulation and stress lubricant medium, not only can significantly extend and optimize operational limitation and the life-span of bearing, and provide one to have flexible design and the flexible self-lubricating bearing development platform of application.

As shown in Figure 7 to 9, that to be respectively the representative three kinds of outward appearances of second series of the present invention be unit piece 16c buttony, 16d, the stereogram of 16e, this unit piece 16c, 16d, 16e can be considered by each group of First Series adjacent two unit piece 16a, it is derivative and go out that 16b carries out various possible juncture with joint 23 respectively, make each unit piece 16c, 16d, the middle part of 16e axis forms a department of assembly 20 respectively, each unit piece 16c is extended to towards core bore 25 direction by this department of assembly 20, 16d, the two ends of 16e form two waists 21 respectively, the periphery wall of this two waist 21 is that arbitrary radial dimension vertically is all less than this department of assembly 20, each unit piece 16c is respectively at this two waist 21 end, 16d, two joints 22 of 16e.

The main distinction of above-mentioned three kinds of unit pieces 16c, 16d, 16e is: the free end of one of two joints 22 at unit piece 16c two ends is equipped with the one group of multiple chase 35 being communicated with waist 21 and core bore 25, all be equipped with the two groups of multiple chases 35 be communicated with core bore 25 at the free end of two joints 22 at unit piece 16e two ends, and the plurality of chase 35 is not all set at two joints 22 of unit piece 16d; Again, the core bore 25 two ends wall of described each unit piece 16c, 16d, 16e is also respectively equipped with the groove 36 towards the enlarging gradually of two joint 22 end faces, one wherein in described two grooves 36 of unit piece 16c is in order to be communicated with and to contain the multiple chase of this group 35 at the multiple exit or entrance of a clitch 41 of the correspondence of core bore 25 wall, and is all in order to be communicated with and to contain these two groups multiple chases 35 at the multiple exit or entrance of a clitch 41 of the correspondence of core bore 25 wall at described two grooves 36 of unit piece 16e.

For simplified illustration, said units part 16c, 16d, 16e adopt the waist 21 identical with foregoing units part 16a, 16b and chase 35, and described waist 21 only discloses to be symmetrical in the identical conical surface in axial both sides in following embodiment, but the obviously size of this unit piece 16c, 16d, 16e structure characteristic is in actual applications can change and reach similar effect to shape.

Figure 10 is the assembling section of fourth embodiment of the invention, this assembly parts 12 is arranged in two groups of adjacent two unit pieces (16c, 16d) by two kinds of unit pieces 16c, 16d, (16d, 16c) pattern, and be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, to form the hybrid lubrication assembly of the present embodiment; This hybrid lubrication assembly respectively by be positioned at assembly parts 12 two ends two unit piece 16c joint 22 on one group of multiple chase 35 form two groups of multiple runners 32 that lubricant medium seepage flow can be lubricated to axis hole 18 for axle core with the joint 22 of another adjacent cells part 16d be positioned in the middle of assembly parts 12 respectively, be two apothecas 15 that isosceles triangle can store for lubricant medium by surrounding Formation cross-section between waist 21 outer wall of this unit piece 16c, 16d and the internal face of shell 10 respectively again, and make these two groups multiple runners 32 be communicated with apotheca 15 and axis hole 18 respectively; When axle core rotates in axis hole 18, two groups of circular grooves 38 are formed respectively by described two groups of adjacent grooves 36, thus reach the multiple flow passages dynamic pressure and circulation and stress lubricant medium that continue to produce powerful back shaft core, and compared with the axle core loaded length of second embodiment's multiplication and the lubricant medium supply distance of multiplication.

Figure 11 is the assembling section of fifth embodiment of the invention, this assembly parts 12 is arranged in three groups of adjacent two unit pieces (16c, 16e) by two kinds of unit pieces 16c, 16e of second series, (16e, 16e), (16e, 16c) pattern, and be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, to form the hybrid lubrication assembly of the present embodiment; This hybrid lubrication assembly forms three groups of multiple runner 32a by three groups of adjacent multiple chases 35 respectively, the equivalent hydraulic diameter of each group of multiple runner 32a is the twice of the multiple runner 32 of this group aforementioned, again respectively by surrounding three apothecas 15 that Formation cross-section is isosceles triangle between waist 21 outer wall of these four unit pieces 16c, 16e and the internal face of cavity 11, and these three groups multiple runner 32a are made to be communicated with apotheca 15 and axis hole 18 respectively; When axle core rotates in axis hole 18, form three circular grooves 38 respectively by described three groups of adjacent grooves 36, reach the multiple flow passages dynamic pressure and circulation and stress lubricant medium that continue to produce powerful back shaft core, and be uniformly distributed effect of tribology interface.

The present embodiment is each unit piece 16c in assembly parts described in assembly 12, during 16e, do not need each group of adjacent two unit piece 16c, between 16e, two groups of identical numbers and spaced multiple chase 35 carry out complexity and butt junction location technique accurately, so that form the one group of multiple interlaced flow passage 32a doubling each group of multiple chase 35 number between the multiple chase 35 of these two adjacent groups according to random alignment, and formed another that be same as described each group of chase 35 number by this group multiple interlaced flow passage 32a organize multiple runner 32a that docks with via aiming at positioning process, with this group multiple docking runner 32a, there is identical equivalent hydraulic diameter based on this group multiple interlaced flow passage 32a, thus can by the adjacent two unit piece 16c of each group in assembly parts 12, 16e is according to random fashion assembly, make described each group of adjacent two unit piece 16c, one group of staggered multiple runner 32a is formed with staggered two groups of multiple chases 35 between 16e, and significantly simplify batch production technique, and the effect reaching uniform lubricant medium and reduce costs.

In above-mentioned 4th and the 5th embodiment by assembly parts 12 mode be installed in shell 10 be by the department of assembly 20 of each in this assembly parts 12 unit piece 16c, 16d, 16e vertically close-fitting be riveting in the cavity 11 of shell 10, the both ends of the surface of the extension riveting meat resulting from shell 10 two ends in above-mentioned close-fitting riveted process towards assembly parts 12 are flattened, to form the strengthening rib 43 between encapsulating shell 10 and assembly parts 12 simultaneously; Above-mentioned mounting type also can be applicable in the hybrid lubrication assembly of other embodiment of the present invention, reaches the structural strength and the sealing of apotheca and effect of aesthetic appeal of optimizing hybrid lubrication assembly further.

Therefore, the invention provides and a kind ofly have the payload length that can adapt to disalignment core concurrently, and number and the capacity of apotheca can be expanded, and adjustable uses kind and the injection phase of lubricant medium, significantly can simplify batch production technique and significantly reduce cost of production, and possess integrally-built stiffness and the thermal conductivity optimizing tribology interface, the hybrid lubrication assembly producing powerful dynamic pressure and circulation and stress lubricant medium can be continued again, to meet the application demand of diversification industry.

Figure 12 is the assembling section of sixth embodiment of the invention, this assembly parts 12 is arranged in two groups of adjacent two unit pieces (16a, 16c) by two unit piece 16a of First Series and the unit piece 16c of second series, (16c, 16a) pattern, and be tight with at the internal face of shell 10 respectively with department of assembly 20, to form the hybrid lubrication assembly of the present embodiment; A unit piece 16a in this assembly parts 12 makes integrally formed in advance with department of assembly 20 and the internal face of shell 10 one end, other unit piece 16a, 16c in this assembly parts 12 then engage in the mode that the various embodiments described above are identical, to reach the batch production technique and more strong overall structure of more simplifying.

This hybrid lubrication assembly is long except the axle core loaded length formed comparatively is all three unary second embodiments, but be comparatively all another three unary 4th embodiments be short outside, and form two identical apothecas 15 with the 4th embodiment and form one group of identical multiple runner 32 respectively that to organize equivalent hydraulic diameter double in multiple runner 32a of the plurality of runner 32 with another.

Figure 13 is the assembling section of seventh embodiment of the invention, this assembly parts 12 is arranged in two groups of adjacent two unit pieces (16a, 16e) by the unit piece 16b of First Series and the unit piece 16e of second series, (16e, 16b) pattern, and be tight with at the internal face of shell 10 respectively with department of assembly 20, to form the hybrid lubrication assembly of the present embodiment, the unit piece 16e that a unit piece 16a in this assembly parts 12 is adjacent with another is joined to integrally formed 16f with joint 22 in advance respectively, drip molding 16a ' in this drip molding 16f and Fig. 4 all can by die casting, injection, punch die or other existing forming technique are made, comprise and surround by two waists 21 the runner 32a formed between cross section waist 21a triangular in shape and this waist 21a, and the one group of multiple chase 35 to arrange at the joint 22 of this drip molding 16f and waist 21, with the batch production technique making this hybrid lubrication assembly reach more to simplify and more strong overall structure.

This hybrid lubrication assembly forms another by the multiple chase of this group 35 of described integrally formed 16f and the joint 22 of an adjacent cells part 16b respectively and organizes multiple runner 32, again respectively by the waist 21 of this unit piece 16b and this drip molding 16f, two apothecas 15 that Formation cross-section is isosceles triangle are surrounded between the internal face of 21a outer wall and shell 10, and make these two groups multiple runners 32, 32a is communicated with described two apothecas 15 and axis hole 18 respectively, when axle core rotates in axis hole 18, two groups of circular grooves 38 are formed respectively by described two groups of adjacent grooves 36, reach at described two groups of multiple runners 32, the multiple flow passages dynamic pressure and the circulation and stress lubricant medium that produce powerful back shaft core is continued in 32a, and be uniformly distributed effect of lubricant medium.The axle core loaded length of the hybrid lubrication assembly of the present embodiment is identical with the 6th embodiment, but is short compared with the 4th embodiment, and is formed and identical two apothecas 15 of the 4th embodiment.

In each embodiment of hybrid lubrication assembly of the present invention, radial assembly between at least one group in assembly parts adjacent two unit pieces is installed according to random fashion, make to be communicated with groove respectively and mutually in the multiple chase of staggered two adjacent groups between form the one group of multiple runner interlocked be communicated with circular groove.More than disclose, be intended to simplified illustration and clear announcement correlated characteristic; But, in actual applications, because this hybrid lubrication assembly is reach thousands of even speed each runner instantaneously on axis hole of more than tens thousand of turns with per minute relative to axle core, radial assembly between this at least one group adjacent two unit pieces obviously in this assembly parts also can be installed according to orientation type, makes to be communicated with this groove respectively and forms the one group of multiple runner docked be communicated with this circular groove between the mutual multiple chase of two adjacent groups in alignment; The multiple runner interlocked due to this group has identical equivalent hydraulic diameter with multiple runners that this group is docked, and therefore can reach the identical function of described each embodiment and benefit without the need to being confined to precise positioning complicated in Product Process.

Unary department of assembly each in assembly parts also can be arranged at least one fin extended vertically by hybrid lubrication assembly of the present invention respectively, and the respective slot mutually engaged with this at least one fin of department of assembly is set along the cavity inner wall face of this shell, reach precise positioning and structure-reinforced effect further.

For reaching the batch production technique and structural strength of more simplifying, a unit piece is had at least to engage with the internal face of shell with department of assembly in the assembly parts of hybrid lubrication assembly of the present invention and integrally formed; In like manner, have at least one group of adjacent two unit piece to engage with joint respectively in this assembly parts and integrally formed, then to engage in the mode that the various embodiments described above are identical with other unit piece in this assembly parts.

In above-described embodiment, in hybrid lubrication assembly, the set-up mode of at least one group of multiple runner meets relation :-2≤logD≤0.5 × log (2 × Sd × H/N); Wherein N is the sum of runner in this hybrid lubrication assembly, and the equivalent hydraulic diameter of single runner that D is is unit with millimeter (millimeter), Sd is the axle core diameter in units of millimeter, and H is the axis hole length in units of millimeter.

In various embodiments of the present invention, each unit piece of composition assembly parts all adopts identical size and shape, is intended to simplified illustration to highlight the benefit of this feature to hybrid lubrication assembly of the present invention; But obviously do not need to be limited each unary size, shape, quantity and arrangement form in actual applications, from not limiting to the scope of the claims of the present invention with this.

The effect being clearly demonstrated technical characteristics of the present invention further by above-mentioned mode of execution and reached, comprising:

(1) a kind of novel hybrid lubrication modular construction formed by least two unit piece assembly is provided, one group of multiple chase be communicated with core bore is equipped with by having a unary at least one free end in the assembly at least, and respectively by the multiple chase of this group and form at least one group of multiple runner of conveying lubricant medium and store at least one apotheca of lubricant medium between shell and assembly parts between at least one group of adjacent two unit pieces in this assembly parts, reach effect of modulation payload length, apotheca number and capacity and uniform lubricant medium.

(2) a kind of hybrid lubrication assembly that can store a large amount of and polynary lubricant medium is provided, by arrangement modes different between adjacent two unit pieces of each group in assembly parts form diversified apotheca and multiple runner, reach and continue to set up uniform and stable lubrication interface between axle core and axis hole, to play tribology effect of high-quality, thus significantly extend and optimize operational limitation and the life-span of bearing.

(3) provide a kind of and there is modular design and the hybrid lubrication subassembly product platform simplifying batch production technique, make can simplify number of molds during a large amount of Manufacture Order element, do not need when module units part is in shell to carry out complexity to the multiple runners formed between each group of adjacent two unit pieces and positioning process accurately, thus can batch production technique be simplified, reach and be easy to control and lifting capacity yield and quality and effect of significantly reducing costs.

(4) a kind of novel lubrication mechanism of powerful supporting rotating shaft core is provided, the dynamic pressure that the lubricant medium to be ready supplying near a runner of axle core forms back shaft core is also converged by axle core rolling extrusion in circular groove, again this lubricant medium is recycled to the circulating lubrication mechanism of apotheca via next runner, reaches and continue to produce dynamic pressure and effect of energy circulation and stress lubricant medium.

(5) one is provided to have flexible design and the flexible hybrid lubrication Components Development platform of application, by the shape of regulation unit part, number, size and arrangement mode, the shape of runner, generation type, position, number and size, the form of groove and number, the number of apotheca, capacity, the parameter such as lubricant medium kind and injection phase, thus develop different hybrid lubrication assemblies according to this, to adapt to the diversification industry application demand under various different tribology condition.

In sum, the present invention indeed meets the important document of patent of invention, then proposes patent application in accordance with the law.But, the foregoing is only explanation embodiment of the present invention, from not limiting claim of the present invention with this.Such as those skilled in the art helps the equivalence modification or change done according to spirit of the present invention, all should be covered by the scope of appended claims.

Claims (13)

1. a hybrid lubrication assembly, comprising:

One shell, described shell is the hollow cylinder run through vertically, to form a cavity; And

One assembly parts, described assembly parts is made up of at least two unit pieces, each unary axial two ends are two joints, with by each group of adjacent two unit pieces mutually against joint, to form described assembly parts, maximum radial periphery wall between each unary described two joints is a department of assembly, so that described assembly parts is fitted tightly in the cavity of described shell, to form described hybrid lubrication assembly, by described department of assembly towards axially extend to described unary described two joints at least one of them forms at least one waist of indent, described at least one waist arbitrary outer radial periphery wall is vertically less than described department of assembly, described unit piece is provided with the core bore axially run through, an axis hole of described assembly parts is formed by described at least two these core bore unary, wear for an axle core, at least one apotheca being formed and store lubricant medium is surrounded between the outer wall of described assembly parts and the internal face of described shell, it is characterized in that: have at least in described assembly parts a unit piece towards described two joints at least one of them is equipped with at least one groove of enlarging on the wall of described core bore, a unit piece is had at least at least one of them to be equipped with at described two joints at least one group of multiple chase being communicated with described at least one waist and described core bore and described at least one groove in described assembly parts, and by forming at least one group of multiple runner being communicated with described at least one apotheca and described axis hole between at least one group of adjacent two unit pieces of described at least one group of multiple chase in described assembly parts.

2. hybrid lubrication assembly according to claim 1, is characterized in that: extend described unary a junction form a waist by described unary described department of assembly is recessed towards axial side.

3. hybrid lubrication assembly according to claim 1, is characterized in that: recessedly towards axial both sides respectively by described unary described department of assembly extend described unary described two joints and form two waists.

4. hybrid lubrication assembly according to claim 1, it is characterized in that: the cavity inner wall face of described shell is provided with at least one fin extended vertically, and be provided with the respective slot mutually engaged with described at least one fin of described shell along described unary described department of assembly.

5. hybrid lubrication assembly according to claim 1, it is characterized in that: described unary described department of assembly is provided with at least one fin extended vertically, and be provided with along the cavity inner wall face of described shell the respective slot mutually engaged with described at least one fin of described department of assembly.

6. hybrid lubrication assembly according to claim 1, is characterized in that: described at least one groove is communicated with and contains at least one group of corresponding on described core bore wall multiple exit or entrance of a clitch of described at least one group of multiple chase.

7. hybrid lubrication assembly according to claim 1, it is characterized in that: the described at least one groove between each described at least one group of adjacent two unit pieces surrounds formation one circular groove, described circular groove is communicated with and contains one group of corresponding on described axis hole wall multiple road junction of each described at least one group of multiple runner.

8. hybrid lubrication assembly according to claim 1, it is characterized in that: the assembling mode of described shell and described assembly parts be by least two unary described departments of assembly described in described assembly parts vertically close-fitting be riveting in the cavity of described shell, the extension riveting meat resulting from described shell two ends in above-mentioned close-fitting riveted process is flattened towards the both ends of the surface of described assembly parts the strengthening rib become between the described shell of encapsulating and described assembly parts simultaneously.

9. hybrid lubrication assembly according to claim 7, it is characterized in that: the radial assembly between described at least one group of adjacent two unit pieces in described assembly parts is installed according to random fashion, making is the one group of multiple runner interlocked being formed between the multiple chase of staggered two adjacent groups and be communicated with described circular groove mutually.

10. hybrid lubrication assembly according to claim 7, it is characterized in that: the radial assembly between described at least one group of adjacent two unit pieces in described assembly parts is installed according to orientation type, make between the multiple chase of two adjacent groups mutually in alignment, to form the one group of multiple runner docked be communicated with described circular groove.

11. hybrid lubrication assemblies according to claim 1, is characterized in that: have at least a unit piece to engage with the internal face of described shell with described department of assembly in described assembly parts and integrally formed.

12. hybrid lubrication assemblies according to claim 1, is characterized in that: have at least one group of adjacent two unit piece to engage with described joint respectively in described assembly parts and integrally formed.

13. hybrid lubrication assemblies according to claim 1, is characterized in that: the set-up mode of described at least one group of multiple runner meets relation :-2≤logD≤0.5 × log (2 × Sd × H/N); Wherein N is the sum of runner in described hybrid lubrication assembly, and the equivalent hydraulic diameter of single runner that D is is unit with millimeter (mm), Sd is the axle core diameter in units of millimeter, and H is the axis hole length in units of millimeter.