CN102465963A

CN102465963A - Heavy-load bearing

Info

Publication number: CN102465963A
Application number: CN2010105537128A
Authority: CN
Inventors: 童兆年; 刘汉卿; 黄隆伟
Original assignee: BRUNEI SHANGSINZI TECHNOLOGY Co Ltd
Current assignee: BRUNEI SHANGSINZI TECHNOLOGY Co Ltd
Priority date: 2010-11-19
Filing date: 2010-11-19
Publication date: 2012-05-23
Anticipated expiration: 2030-11-19
Also published as: CN102465963B

Abstract

A heavy-load bearing comprises an assembly and a shell, wherein the assembly consists of at least two elements, and a shaft hole which penetrates through the assembly in the axial direction, is formed in the assembly to allow a shaft core to penetrate. The peripheral wall surface of each element is provided with an assemble part, two ends of each element are provided with two connecting parts, and each element is provided with a core hole which penetrates in the axial direction. At least one element of the assembly is concavely provided with at least one cavity slot in the axial direction in at least one of the two connecting parts, so the cavity slot is arranged between an outer wall adjacent to the assemble part and an inner wall adjacent to the core hole in a surrounding way. At least one element of the assembly is annularly provided with a group of multiple grooves at the free end of the inner wall, and the group of multiple grooves communicates the at least one cavity slot with the core hole. The shell is provided with a cavity which is extended in the axial direction for accommodating the assembly, at least one storage chamber for storing lubricating media is formed in a surrounding way by the at least one cavity slot between adjacent elements, and the at least one group of multiple grooves forms at least one group of multiple runners, between at least two adjacent elements in the assembly, and the at least one group of multiple runners communicates the shaft hole with the at least one storage chamber.

Description

The high capacity bearing

Technical field

The present invention provides a kind of high capacity bearing, and the chamber groove of You Zhineng between adjacent cells spare surrounds and form at least one apotheca that stores lubricant medium, and continues to form the multithread road dynamic pressure of powerful back shaft core rotation and the high capacity bearing that lubricant medium is reclaimed in circulation.

Background technique

Existing bearing is under harsh running environment such as high temperature, low temperature, high capacity, high rotating speed, high vibration; Usually promptly maybe be through the axle core rotation of short time because of the approach exhaustion gradually of lubricant medium (lubricating media); Cause a core directly to knock and collide with the generation of axis hole wall is high-frequency; Thereby cause excessive abrasion and heating, and cause this bearing noise to occur at last, scrape different shape such as axle, reaming and quicken damage, be the technical problem that existing bearing is badly in need of solution.

Want for a long time formation is enough to the high capacity of reach core between the axle outer core of the shaft hole inner wall of bearing and rotation tribology interface (tribology interface) to continue smooth operation under above-mentioned harsh running environment; Except that making bearing be rich in enough lubricant mediums and evenly and swimmingly supplying and reclaim this lubricant medium; Also must possess the position of production, integrally-built stiffness, lubricant medium runner and the apotheca of simplifying technology and the adjustability of capacity, and use the elasticity of diversification lubricant medium at the same time or separately; Above-mentioned lubricant medium general reference is any to make the material of bringing into play the high-quality lubrication effect between the axis hole of running shaft core and bearing; Including, but not limited to oiling agent (lubricants) that lubricant oil that vicidity is lower (oil) and vicidity are higher, for example lubricating grease (grease) and the oiling agent that contains the solid lubrication particle etc.

US2006/0171618A1 proposes a kind of self-lubricating bearing that is formed by the hollow assembly parts that is sheathed on a core; This assembly parts is two stepped cylindrical miner diameter end butt joints of ㄒ font by outward appearance; To form the assembly parts that an outer circumferential face is indent; And with a hollow cylinder shell be sheathed on this assembly parts with form one store lubricant oil apotheca, and through the gap (gap) between the interface that forms this apotheca with lubricant oil seepage flow to axis hole; Yet above-mentioned bearing is unable to supply the higher oiling agent of vicidity.

GB1389857A proposes a kind of self-lubricating bearing that is sheathed on a core by the hollow circuit cylinder plastic of injection molding; This plastic is provided with the fin-like annulus of a plurality of radial protrusions vertically at interval; And be sheathed on the outer circumferential face of this plastic with a hollow cylinder shell; So that form a plurality of ring-type apothecas that store lubricant medium between adjacent annulus, and through a plurality of through holes of being provided with between each apotheca with lubricant medium seepage flow to axis hole; But, make the stronger above-mentioned bearing of structure with metal or ceramic material and must change, owing to the complexity of structure reduces production with other technology.

US3917362A proposes a kind of self-lubricating bearing that is formed by the hollow assembly parts that is sheathed on a core; The outer circumferential face central authorities of this assembly parts radially encircle and establish a groove; And with a hollow cylinder shell be sheathed on this assembly parts outer circumferential face so that this groove form one store lubricating grease the ring-type apotheca, and a plurality of through holes that are provided with through this groove with lubricating grease seepage flow to axis hole.

Above-mentioned each existing bearing does not all have the reclaim mechanism of dynamic pressure and lubricant medium, and the position and the capacity of the runner of lubricant medium and apotheca lacked adjustability, lack flexibility to using the diversification lubricant medium, and complicated structure and reduce production; Therefore, being applied to all has its narrow limitation under the harsh operating conditions such as high temperature, low temperature, high rotating speed, and under the operating condition of high capacity, high vibration, integrally-built intensity becomes more important.

Summary of the invention

The present invention is the disappearance that overcomes above-mentioned existing technology; Be to propose a kind of high capacity bearing, comprise: an assembly parts, this assembly parts is made up of at least two unit pieces; Each unit piece is provided with a core hole of running through vertically; And form an axis hole of this assembly parts by those core holes, and wearing for a core, each unary periphery wall and two ends are respectively a department of assembly and two joints; Have at least a unit piece axially to be concaved with at least one chamber groove in this assembly parts in one of them court at least of this two joint; This at least one chamber groove is around between the exterior wall and the interior wall near this core hole near this department of assembly, and this at least one unit piece in this assembly parts is equipped with at least one group of a plurality of chase that is communicated with this at least one chamber groove and this core hole at the free end of this interior wall; One shell; Be provided with a cavity that runs through vertically; Integrity with ccontaining this assembly parts and strong this high capacity bearing structure; And surround by this at least one chamber groove between at least one adjacent cells spare and to form at least one apotheca that stores lubricant medium, form at least one group of a plurality of runner that is communicated with this at least one apotheca and this axis hole between this at least one group a plurality of chases this at least one adjacent cells spare in this assembly parts.

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

According to further improved technological scheme of the present invention, said at least one groove is communicated with and contains at least one group of a plurality of exit or entrance of a clitch of said at least one group of a plurality of chases correspondence on said core wall surface of the hole.

According to further improved technological scheme of the present invention; Said at least one groove between each said at least one adjacent cells spare surrounds and forms a circular groove, and said circular groove is communicated with and contains one group of a plurality of road junction of each said at least one group of a plurality of runner correspondence on said axis hole wall.

According to further improved technological scheme of the present invention; Radially assembly between the said at least one adjacent cells spare in the said assembly parts agrees to the machine mode to install, make be communicated with said groove respectively and a plurality of chases of two adjacent groups that mutually interleaved is arranged between form the one group of a plurality of runner that interlock that is communicated with said circular groove.

According to further improved technological scheme of the present invention; Radially assembly between the said at least one adjacent cells spare in the said assembly parts is installed according to orientation type, makes to be communicated with said groove respectively and to be mutually to form the one group of a plurality of runner that dock that is communicated with said circular groove between a plurality of chases of two adjacent groups of align.

According to further improved technological scheme of the present invention, the cavity of said department of assembly and shell is complementary, so that said at least two unary departments of assembly fit in the internal face of said cavity, and assembly parts firmly is maintained in the cavity of shell.

According to further improved technological scheme of the present invention; The said cavity inner wall face of said shell is provided with at least one fin that extends vertically, and the periphery wall is provided with the respective slot that engages each other with said at least one fin of said shell along said unary said department of assembly.

According to further improved technological scheme of the present invention; Said unary department of assembly periphery wall is provided with at least one fin that extends vertically, and is provided with the respective slot that engages each other with said at least one fin of said department of assembly along the said cavity inner wall face of said shell.

According to further improved technological scheme of the present invention, between the exterior wall of said at least one chamber groove and the interior wall a plurality of stiffening ribs are set.

According to further improved technological scheme of the present invention; Said a plurality of stiffening rib is fixed in the wall of exterior wall, interior wall and the end wall of said at least one chamber groove respectively; And high together with the free end of exterior wall and interior wall, it is a plurality of independently than the loculus groove that said at least one chamber groove is separated into.

According to further improved technological scheme of the present invention, said a plurality of stiffening ribs are fixed in the exterior wall of said at least one chamber groove and the wall of interior wall respectively, and lower than the height of exterior wall and interior wall, make said at least one chamber groove be separated into a plurality of intercommunications than the loculus groove.

According to further improved technological scheme of the present invention, said at least one chamber groove is provided with a plurality of through holes that run through end wall.

According to further improved technological scheme of the present invention; Said department of assembly is arranged on the periphery wall of said unit piece near one of said two joints, forms arbitrary outer radial periphery wall said waist littler than said department of assembly by said department of assembly towards extending axially to said unary another joint.

According to further improved technological scheme of the present invention, it is also integrally formed to have at least a unit piece to engage with the internal face of said shell with the department of assembly in the said assembly parts.

According to further improved technological scheme of the present invention; (2 * Sd * H/N) gives standard to the preferred arrangement available relationship formula-2≤logD≤0.5 * log of said at least one group of a plurality of runners; Wherein N is the sum of runner in the said high capacity bearing; D is to be the equivalent hydraulic diameter of single runner of unit with the millimeter, and Sd is to be the axle core diameter of unit with the millimeter, and H is to be the axis hole length of unit with the millimeter.

The present invention provides a kind of novel high capacity bearing structure that is formed by at least two unit piece assembly, reaches modulation load length, apotheca number and capacity and is uniformly distributed with the effect of lubricant medium.

The present invention provides a kind of high capacity bearing that can store a large amount of and polynary lubricant medium, significantly extends and optimize the running limit and the life-span of bearing.

The present invention provides a kind of have strong overall structure and the high capacity bearing of optimizing thermal conductivity, reaches the effect that strengthens load capacity and antivibration ability.

The present invention provides a kind of have modular design and the high capacity bearing products platform of simplifying batch production technique, reaches to be easy to the effect controlling and promote quality and reduce cost.

The present invention provides a kind of novel lubrication mechanism of powerful supporting rotating shaft core, reaches to continue to produce dynamic pressure and can circulate to reclaim the effect of lubricant medium.

The present invention provides a kind of high capacity bearing development platform with flexible design and application of elastic, to adapt to the diversification application in industry demand under the various different tribology conditions.

Description of drawings

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 another kind of unary stereo appearance figure of the present invention;

Fig. 6 is the sectional drawing of a kind of unit piece of the present invention ();

Fig. 7 is the sectional drawing of a kind of unit piece of the present invention (two);

Fig. 8 is the sectional drawing of a kind of unit piece of the present invention (three);

Fig. 9 is the sectional drawing of a kind of unit piece of the present invention (four);

Figure 10 is the sectional drawing of a kind of unit piece of the present invention (five);

Figure 11 is the sectional drawing of a kind of unit piece of the present invention (six);

Figure 12 is the assembling section of second embodiment of the invention;

Figure 13 is the assembling section of third embodiment of the invention;

Figure 14 is the assembling section of fourth embodiment of the invention; And

Figure 15 is the assembling section of fifth embodiment of the invention.

Embodiment

Below, high capacity bearing of the present invention is further specified please referring to figs. 1 through Figure 15.

To shown in Figure 4, is solid assembling External view, three-dimensional exploded view, the assembling section that is respectively first embodiment of the invention, the another kind of three-dimensional exploded view that reaches first embodiment like Fig. 1; This high capacity bearing is made up of shell 10 and assembly parts 12, wherein:

This shell 10 is the hollow cylinders that run through vertically, and with the cavity 11 that forms sheathed assembly parts 12 and the integrity of strong bearing structure, it is processed by fine and close material or porous crack material.

This assembly parts 12 is to be processed by fine and close material or porous crack material; Form by two unit piece 16 assembly vertically; Each unit piece 16 is provided with the core hole 25 axially run through, forms the axis hole 18 of assembly parts 12 by the core hole 25 of this two unit piece 16, wears for the axle core; The periphery wall of this unit piece 16 is a department of assembly 20 and both ends of the surface are respectively a

junction

22,23; The shape of this department of assembly 20 and size and cavity 11 are complementary, so that department of assembly 20 can be closely connected in the internal face of said cavity 11 through close-fitting, and assembly parts 12 firmly are maintained in the cavity 11 of shell 10; Like Fig. 2 and shown in Figure 3; Unit piece 16 is arranged with the wall 31 formation one chamber groove 27 end of to vertically towards the end face of joint 22; This chamber groove 27 is located between the exterior wall 29 and the interior wall 30 near core hole 25 near department of assembly 20; In practical application, said chamber groove 27 can present different size and shapes, only discloses with simplified illustration with the rectangular typical cavity groove 27 in a cross section in the various embodiments of the present invention; Free end at this interior wall 30 also is equipped with one group of a plurality of chase 35 that are communicated with said chamber groove 27 and core hole 25; And on the wall of core hole 25 1 ends, be provided with towards the groove 36 of joint 22 enlargings, this groove 36 is communicated with and contains one group of a plurality of corresponding exit or entrance of a clitch 41 that this organizes a plurality of chases 35 25 walls in the core hole; Two unit pieces of arranging vertically in this assembly parts 12 16 respectively with adjacent joint 22 each other against formation; And be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively; Making respectively one group of a plurality of chase 35 by adjacent cells spare 16 form one group at joint 22 can be with lubricant medium seepage flow to axis hole 18 for the lubricated a plurality of runner 32 of axle core; This equivalent hydraulic diameter (equivalent/hydraulicdiameter) of organizing a plurality of runners 32 is this twice of organizing a plurality of chases 35; And surrounded by said adjacent two grooves 36 and to form one and be communicated with and contain this and organize a plurality of runners 32 corresponding a plurality of road junctions 42 on axis hole 18 walls, and the formation cross section of looking towards these road junctions 42 vertically is the banded circular groove 38 of convergent; Surround at joint 22 by the chamber groove 27 of this adjacent cells spare 16 respectively again and form the rectangular apotheca 15 that supplies lubricant medium to store in cross section; The volume of this apotheca 15 is twices of this chamber groove 27; And make this organize a plurality of runners 32 to be communicated with said apotheca 15 and axis hole 18 respectively, to form the high capacity bearing of present embodiment.Lubricant medium described in the present invention general reference lubricant oil or be high lubricating grease with the oiling agent that contains the solid lubrication particle than the vicidity of lubricant oil etc.

High capacity bearing of the present invention is that whole periphery wall with each unit piece 16 in this assembly parts 12 is as department of assembly 20; When each unit piece 16 of assembling is in the cavity 11 of shell 10; Can guarantee that the axis hole of being made up of core hole 25 18 has alignment accurately, reach the effect that is easy to control with the lifting capacity yield and quality; And because this assembly parts 12 is to fit tightly with the area of contact of maximum and the internal face of cavity 11, thereby can directly optimize the overall construction intensity and the thermal conductivity of this bearing, reach the effect that strengthens load capacity and antivibration ability.

When rotating in the axis hole 18 of axle core at said high capacity bearing; Lubricant medium in the apotheca 15 can be given birth to importing into of heat because of tribology and expanded; And the vicidity that makes lubricant medium reduces and increases flowability; Impel said lubricant medium via these runner 32 seepage flow to axis hole 18; And the centrifugal force that is produced during owing to the rotation of axle core causes these runners 32 lower towards the pressure of axis hole 18 ends; And higher towards the pressure of apotheca 15 ends, can further push the lubricant medium in the apotheca 15 to axis hole 18 through the pressure difference that runner 32 two ends form, make the lubricated interface that forms between axis hole 18 of the present invention and axle core far be thicker than the existing self-lubricating bearing that only uses the low vicidity lubricant oil of impregnation in advance; Again since unit piece 16 also can process by the porous crack material of soaking by lubricating oil in advance; Lubrication mechanism between axis hole 18 and axle core is supplied lubricant mediums except that passing through these runners 32 by said apotheca 15; Also can drive supplying lubricating oil through capillary force simultaneously by the porous crack material of said oil-containing; Thereby form the more lubricated interface of high-quality, to strengthen the tribology effect.

Again when rotating in the axis hole 18 of axle core at said high capacity bearing; The axle core can push and converge a lubricant medium that runner 32 is supplied that is about near the axle core along rolling in the said circular groove 38 of cross section convergent; Forming the dynamic pressure of back shaft core, and push in the apotheca 15 via another adjacent before it runner 32 with being about to this lubricant medium; At this moment; Begin to supply lubricant medium with the axle core along the next runner 32 that this circular groove 38 rotates; And roll immediately and push and converge the lubricant medium of just being supplied near this runner 32 of axle core; And form the dynamic pressure of back shaft core once more, and then this lubricant medium is pushed in the apotheca 15 via another adjacent before it runner 32; So in circular groove 38, roll again and again and push and converge the dynamic pressure that to be ready forming continuous back shaft core near the lubricant medium that a runner 32 of axle core will be supplied with the rotation of axle core; And then through the circular groove 38 of cross section convergent this lubricant medium is recycled in the apotheca 15 via adjacent next runner 32, thereby the lubrication mechanism (multi-channel dynamic-pressure support and recycle lubricatingmechanism) of lubricant medium is reclaimed in the multithread road dynamic pressure that continues to form a kind of powerful back shaft core rotation and circulation; Reclaim lubricant medium because high capacity bearing of the present invention has to replenish automatically and circulate, and continue to form the novel lubrication mechanism of powerful back shaft core dynamic pressure, thereby can further strengthen load and antivibration ability, reach the effect that significantly increases the service life.

The axial cross section of apotheca 15 according to the invention is can present other different volumes and shape according to the chamber groove 27 of adjacent cells spare 16, for example rhombus, circular arc, polygonal etc.; Obviously, the shape of cited apotheca 15 is non-so promptly limit to claim of the present invention in the present embodiment.

The present invention can be through shape, number and the size of a plurality of chases 35 of adjustment; Make lubricant medium in the said apotheca 15 via a plurality of runner 32 steady flows between axis hole 18 internal faces of assembly parts 12 and axle outer core face; Adapting to different tribology conditions, thereby significantly extend and optimize the running limit and the life-span of bearing.

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: this unit piece 16 is to process integrally formed 16 ' in advance with the mating face 20 and the internal face of shell 10 1 ends; Engage with the joint 22 of another unit piece 16 with this joint of integrally formed 16 ' 22 again, to reach the batch production technique and more strong overall structure of more simplifying; In addition; Three symmetrical fins 13 that extend vertically also are set on the internal face of shell 10; And along be provided with on department of assembly's 20 periphery walls of this another unit piece 16 with this shell 10 on these fin 13 mutual respective slot 14 that engage, with the volume production processing procedure and the structural strength of this high capacity bearing of further optimization.

Extremely shown in Figure 10 like Fig. 5; Be to be respectively the present invention further to enumerate a series of representative unit piece 16 that meets the said major character of first embodiment again ", stereo appearance figure and the sectional drawing of 16a, 16b, 16c, 16d, 16e; the main distinction therebetween is: compared to unit piece shown in Figure 3 16, unit piece 16a as shown in Figure 6 is provided with on the wall at 25 two ends, core hole respectively towards the groove 36 of two joints, 22,23 enlargings; Compared to unit piece 16, unit piece 16b as shown in Figure 7 is provided with a plurality of through holes 33 that run through end wall 31 to joint 23 in chamber groove 27; Compared to unit piece 16, unit piece 16c as shown in Figure 8 is provided with on the wall at 25 two ends, core hole respectively towards the groove 36 of two joints, 22,23 enlargings, and in chamber groove 27, is provided with a plurality of through holes 33 that run through end wall 31 to joint 23; Compared to unit piece 16; Unit piece 16d as shown in Figure 9 is concaved with a chamber groove 28 that is deep to end wall 31 surfaces towards two joints 22 respectively vertically; Said two chamber grooves 28 are located in two ends respectively between the exterior wall 29 and interior wall 30 near department of assembly 20 near core hole 25; And be equipped with one group of a plurality of chase 35 that are communicated with said chamber groove 28 and core hole 25 at the free end of this two interior wall 30 respectively, and on the wall at 25 two ends, core hole, be provided with respectively towards the groove 36 of two joints, 22 enlargings; Compared to unit piece 16d, the end wall 31 that unit piece 16e shown in figure 10 shares at two chamber grooves 28 is provided with a plurality of through holes 34 that interconnect; And for example shown in Figure 11, unit piece 16f all is not provided with

chamber groove

27,28 and chase 35 except that on the wall at 25 two ends, core hole, being provided with respectively towards the groove 36 of two joints, 23 enlargings.

In addition, compared to the said

chamber groove

27,28 of unit piece 16 shown in Figure 2, unit piece 16 as shown in Figure 5 " said

chamber groove

27,28 in a plurality of stiffening ribs 26 also can be set, further to strengthen the overall structure of high capacity bearing of the present invention; The position that preferably is provided with of this stiffening rib 26 is between adjacent chase 35; And be fixed in the wall of exterior wall 29, interior wall 30 and the end wall 31 of

chamber groove

27,28 respectively; And high together with exterior wall 29 with the free end of interior wall 30, a plurality of so that said

chamber groove

27,28 is separated into independently than the loculus groove; In practical application, this stiffening rib 26 also can be fixed in the exterior wall 29 of

chamber groove

27,28 and the wall of interior wall 30 respectively, and is low than the height of exterior wall 29 and interior wall 30, with the reinforcement that takes into account structure with form a plurality of intercommunications than the loculus groove; Be simplified illustration; In each following embodiment; Still with the characteristic of each

unit piece

16,16a, 16b, 16c, 16d, 16e, the 16f of being disclosed among Fig. 3 of not containing this stiffening rib 26 and above-mentioned Fig. 6 to Figure 11, the effect that high capacity bearing of the present invention is reached through a plurality of unary different arrangement modes in the assembly parts 12 is described further.

The department of assembly 20 of high capacity bearing of the present invention through fitting tightly between cavity 11 internal faces of each unit piece with whole periphery wall and shell 10; Again with the long-pending joint 22 that engages with adjacent cells spare of exterior wall 29 and interior wall 30 free-ended large contact surfaces; And a plurality of stiffening ribs 26 that are provided with between the exterior wall 29 of

chamber groove

27,28 and the interior wall 30; Guarantee integrally-built stiffness and the thermal conductivity of optimizing the tribology interface, thereby significantly strengthen load and antivibration ability.

Figure 12 is the assembling section of second embodiment of the invention; This assembly parts 12 is arranged in two groups of adjacent unit pieces (16a, 16f) by two kinds of

unit piece

16a, 16f; (16f, 16a) pattern; And be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, to form the high capacity bearing of present embodiment; This high capacity bearing forms two groups of a plurality of runner 32a by a junction 23 of a plurality of chases 35 of a group of unit piece 16a and adjacent cells spare 16f respectively, and the equivalent hydraulic diameter of these group of a plurality of runner 32a is half of said one group of a plurality of runner 32; Surround by a junction 23 of the chamber groove 27 of unit piece 16a and adjacent cells spare 16f respectively again and form two rectangular apotheca 15a of cross section; Respectively at these two groups a plurality of runner 32a place supply lubricant mediums; The volume of this apotheca 15a is the half the of said apotheca 15, and makes these two groups a plurality of runner 32a be communicated with said two apotheca 15a and axis hole 18 respectively; When the axle core rotates in axis hole 18, form two groups of circular grooves 38 through said two groups of adjacent grooves 36 respectively, reach to continue to produce the dynamic pressure of powerful back shaft core and circulate and reclaim lubricant medium, and the effect at the tribology interface that evenly distributes.

Figure 13 is the assembling section of third embodiment of the invention; This assembly parts 12 is arranged in two groups of adjacent unit pieces (16,16b) by two kinds of

unit pieces

16,16b; (16b, 16) pattern, and be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, to form the high capacity bearing of present embodiment; This high capacity bearing forms one group of bigger a plurality of runner 32 of equivalent hydraulic diameter by two groups of a plurality of chases 35 of adjacent cells spare (16b, 16) respectively, and forms another by the joint 23 of one group of a plurality of chase 35 of another unit piece 16 and unit piece 16b and organize the less a plurality of runner 32a of equivalent hydraulic diameter; Surround by two chamber grooves 27 of adjacent cells spare (16b, 16) respectively again and form the bigger apotheca of a volume 15; And surround by the joint 23 of a chamber groove 27 of unit piece 16 and unit piece 16b and to form the less apotheca 15a of another volume; Make these two groups a plurality of

runners

32,32a be communicated with said two

apothecas

15,15a and axis hole 18 respectively; And make the lubricant medium in this two apotheca 15, the 15a be in pressure balance at any time through a plurality of through holes 33 of unit piece 16b in this chamber groove 27, reach the effect that is uniformly distributed with lubricant medium at these two groups a plurality of

runners

32,32a place; When the axle core rotates in axis hole 18; Form the circular groove 38 of one group of broad respectively through two groups of grooves 36 of said adjacent cells spare (16b, 16); And surround by the joint 23 of one group of groove of unit piece 16 36 and unit piece 16b and to form the narrower circular groove 38a of another group, reach and continue to produce the dynamic pressure of powerful back shaft core and the effect of circulation recovery lubricant medium.

Figure 14 is the assembling section of fourth embodiment of the invention; This assembly parts 12 is arranged in two groups of adjacent unit pieces (16a, 16e) by two kinds of unit piece 16a, 16e; (16e, 16a) pattern; And be tight with in the cavity 11 of shell 10 with department of assembly 20 respectively, to form the high capacity bearing of present embodiment; This high capacity bearing forms two groups of a plurality of runners 32 by two groups of adjacent a plurality of chases 35 respectively; Surround by a chamber groove 27 chamber grooves 28 adjacent respectively again and form two apotheca 15b with another; Make these two groups a plurality of runners 32 be communicated with said two apotheca 15b and axis hole 18 respectively; And through running through a plurality of through holes 34 of this two chambeies groove 28 among the unit piece 16e, make the pressure in this two apotheca 15b be in state of equilibrium at any time, reach the effect that is uniformly distributed with lubricant medium at these two groups a plurality of runners 32 places; When the axle core rotates in axis hole 18, form two groups of circular grooves 38 through said two groups of adjacent grooves 36 respectively, reach to continue to produce the dynamic pressure of powerful back shaft core and circulate and reclaim the effect of lubricant medium.

Present embodiment is in the said assembly parts 12 of assembly when each

unit piece

16a, 16e; Do not need two groups of similar numbers between each adjacent cells spare 16a, 16e are carried out complicacy and dock positioning process accurately with a plurality of chases 35 that are provided with at interval; So that these 35 formation of a plurality of chases of two adjacent groups of agreing to machine to arrange double the one group of a plurality of interlaced flow passage 32a that respectively organizes a plurality of chase 35 numbers; And by this organize a plurality of interlaced flow passages 32 with form via aligned technology be same as said respectively organize chase 35 numbers another organize a plurality of runners 32 that dock; Organizing a plurality of interlaced flow passage 32a based on this organizes a plurality of butt joint runners 32 with this and has identical equivalent hydraulic diameter; Thereby can each adjacent cells spare 16a, 16e in the assembly parts 12 be agreed to the assembly of machine mode; Make between said each adjacent cells spare 16a, 16e and form one group of staggered a plurality of runner 32, and significantly simplify batch production technique, and reach the effect that is uniformly distributed with lubricant medium and reduces cost with staggered two groups of a plurality of chases 35.

Figure 15 is the assembling section of fifth embodiment of the invention; This assembly parts 12 is arranged in two groups of adjacent unit pieces (16a, 17) by two kinds of unit piece 16a, 17; (17,16a) pattern; And be tight with in the cavity 11 of shell 10 with department of assembly 20,20a respectively, to form the high capacity bearing of present embodiment; Wherein this unit piece 17 is provided with a core hole 25 identical with unit piece 16a; And be provided with one at the one of which end and be the short but identical 20a of department of assembly of external diameter than the department of assembly of unit piece 16a 20; Form the waist 21 of a taper by the 20a of this department of assembly the other end that 25 directions extend to unit piece 17 towards the core hole; Be respectively at the two ends of this waist 21 again near a junction 22 of the vertex of a cone and near awl another joint 23 at the end, and be equipped with the one group of chase 35 that is communicated with core hole 25 and waist 21 at the free end of this joint 22; This high capacity bearing forms one group of a plurality of runner 32 by two groups of adjacent a plurality of chases 35 respectively, and forms another by one a group of a plurality of chase 35 and an adjacent joint 23 and organize a plurality of runner 32a; Surround by cavity 11 internal faces of waist 21 outer wall of the chamber groove 27 of unit piece 16a and an adjacent cells spare 17 and shell 10 respectively again and form the cross section and be a polygonal apotheca 15c; And form rectangular another apotheca 15a in cross section, and make these two groups of runners 32,32a be communicated with said two apotheca 15c, 15a and axis hole 18 respectively by the joint 23 of a chamber groove 27 and an adjacent cells spare 17; When the axle core rotates in axis hole 18, form two groups of circular grooves 38 through said two groups of adjacent grooves 36 respectively, reach to continue to produce the dynamic pressure of powerful back shaft core and circulate and reclaim the effect of lubricant medium.

Among each embodiment of high capacity bearing of the present invention; Radially assembly between at least one adjacent cells spare of this in this assembly parts agrees to the machine mode to install; Make be communicated with this groove respectively and a plurality of chases of two adjacent groups that mutually interleaved is arranged between form the one group of staggered a plurality of runner that is communicated with this circular groove and disclose, be intended to simplified illustration and reach and know the announcement correlated characteristic; Only in practical application; Because this high capacity bearing is to reach each runner on the speed moment process axis hole more than tens thousand of commentaries on classics with per minute with respect to the axle core; Obviously the radially assembly between this at least one adjacent cells spare in this assembly parts also can be installed according to orientation type, makes to be communicated with and to be mutually one group of a plurality of runner that dock that formation is communicated with this circular groove between a plurality of chases of two adjacent groups of align respectively with this groove; Because the staggered a plurality of runners of this group have identical equivalent hydraulic diameter with a plurality of runners that this group is docked, so need not to be confined to the accurate location of complicacy in the product processing procedure and can reach said each embodiment's identical functions and benefit.

For reaching the batch production technique and the structural strength of more simplifying; Have at least a unit piece to engage with the internal face of this shell and integrally formed in the said assembly parts of hybrid lubrication assembly of the present invention with this department of assembly, again with this assembly parts in other unit piece engage with the identical mode of above-mentioned each embodiment.

High capacity bearing of the present invention also can be provided with at least one fin that extends vertically respectively with each unary department of assembly periphery wall in the assembly parts; And setting of cavity inner wall face and the respective slot that this at least one fin of department of assembly engages each other along this shell further reach accurate location and structure-reinforced effect.

From the above mentioned; High capacity bearing of the present invention provides a kind of and has the load length that can adapt to the disalignment core concurrently, and can expand the number and the capacity of apotheca, and can adjust the kind and the injection phase of using lubricant medium; Can simplify batch production technique and significantly reduce production costs; And possess integrally-built stiffness and the thermal conductivity of optimizing the tribology interface, can continue to produce the high capacity bearing of powerful dynamic pressure and circulation recovery lubricant medium again, to satisfy the application demand of diversification industry.

In the foregoing description; (2 * Sd * H/N) gives standard to the preferred arrangement available relationship formula-2≤1ogD≤0.5 * 1og of said a plurality of runners; Wherein N is the sum of runner in this high capacity bearing; D is to be the equivalent hydraulic diameter of single runner of unit with millimeter (millimeter), and Sd is to be the axle core diameter of unit with the millimeter, and H is to be the axis hole length of unit with the millimeter.

Effect by above-mentioned mode of execution further clearly demonstrates technical characteristics of the present invention and reaches comprises:

(1) a kind of novel high capacity bearing structure that is formed by at least two unit piece assembly is provided; Through in assembly parts, having at least a unit piece at least one end face, to be concaved with at least one chamber groove; And be equipped with one group of a plurality of chase that are communicated with the core hole at the free end of the interior wall of this chamber groove; And organize a plurality of chases and chamber groove by this respectively between at least one adjacent cells spare in this assembly parts and form at least one group of a plurality of runners carrying lubricant medium and at least one apotheca that stores lubricant medium, reach modulation load length, apotheca number and capacity and be uniformly distributed with the effect of lubricant medium.

(2) a kind of high capacity bearing that can store a large amount of and polynary lubricant medium is provided; Through in the assembly parts between each adjacent cells spare different arrangement modes form diversified apotheca and a plurality of runner; Reach and between axle core and axis hole, continue to set up uniform and stable lubricated interface; With the tribology effect of performance high-quality, thereby significantly extend and optimize the running limit and the life-span of bearing.

(3) a kind of have strong overall structure and the high capacity bearing of optimizing thermal conductivity are provided; Through the department of assembly that fits tightly between the cavity inner wall face of each unit piece with whole periphery wall and shell; Again with the long-pending joint that engages with adjacent cells spare of the free-ended large contact surface of exterior wall and interior wall; And a plurality of stiffening ribs that are provided with between the exterior wall of chamber groove and the interior wall, guarantee integrally-built stiffness and the thermal conductivity of optimizing the tribology interface, thereby significantly strengthen load and antivibration ability.

(4) a kind of have modular design and the high capacity bearing products platform of simplifying batch production technique are provided; Can simplify number of molds when making a large amount of Manufacture Order element; Module units spare is complementary through the shape of department of assembly's periphery wall and the cavity inner wall face of size and shell in shell the time; Guarantee to have alignment and integrally-built stiffness accurately by the axis hole that each core hole forms; And do not need a plurality of runners that form between each adjacent cells spare are carried out complicacy and positioning process accurately, thereby can simplify batch production technique, reach and be easy to control and lifting capacity yield and quality and the effect that significantly reduces cost.

(5) a kind of novel lubrication mechanism of powerful supporting rotating shaft core is provided; Through in circular groove, the roll extruding and converge just the dynamic pressure that the lubricant medium of supplying near a runner of axle core forms the back shaft core of axle core; Again this lubricant medium is recycled to apotheca via next runner, reaches to continue to produce dynamic pressure and can circulate and reclaim the effect of lubricant medium.

(6) a kind of high capacity bearing development platform with flexible design and application of elastic is provided; See through shape, number, size and the arrangement mode of regulation unit spare; The shape of runner, generation type, position, number and size, the form of groove and number, parameters such as the number of apotheca, capacity, lubricant medium kind and injection phase; Thereby develop different high capacity bearings according to this, to adapt to the diversification application in industry demand under the various different tribology conditions.

In sum, the present invention has really met the important document of patent of invention, proposes patent application then in accordance with the law.Yet the above is merely the preferred embodiments of the present invention, from not limiting claim of the present invention with this.Any those skilled in the art helps the equivalence of doing according to spirit of the present invention and modifies or variation, all should be covered by in the claim of accompanying claims.

Claims

1. high capacity bearing is characterized in that:

One shell (10), said shell are the hollow cylinders that runs through vertically, to form a cavity (11); And

One assembly parts (12); Form by at least two unit pieces (17); Two ends at each unit piece (17) are respectively a junction, with each adjacent cells spare (17) each other against joint, be a department of assembly at the periphery wall of each unit piece (17); Said assembly parts (12) is placed in the cavity (11) of said shell (10); Said each unit piece (17) is provided with a core hole (25) of axially running through, and forms the axis hole (18) of said assembly parts (12) by these core holes (25) of said at least two unit pieces (17), wears for a core; Have at least in the said assembly parts (12) unit piece (17) two joints one of them is concaved with at least one chamber groove of the wall (31) end of to vertically at least; So that said at least one chamber groove is located between the exterior wall (29) and the interior wall (30) near core hole (25) near the department of assembly; And the said at least one unit piece (17) in the said assembly parts (12) is equipped with at least one group of a plurality of chases (35) that are communicated with said at least one chamber groove and said core hole (25) at the free end of said interior wall (30); And surround by the said at least one chamber groove at least one adjacent cells spare (17) in the said assembly parts (12) and to form at least one apotheca that stores lubricant medium, and by forming at least one group of a plurality of runner that is communicated with said at least one apotheca and said axis hole (18) between said at least one adjacent cells spare (17) of said at least one group of a plurality of chases (35) in said assembly parts (12).

2. high capacity bearing according to claim 1, wherein, have at least in the said assembly parts (12) unit piece (17) towards two joints one of them is provided with at least one groove (36) of enlarging on the wall in said core hole (25) at least.

3. high capacity bearing according to claim 2 is characterized in that, said at least one groove (36) is communicated with and contains at least one group of a plurality of exit or entrance of a clitch (41) of said at least one group of a plurality of chases (35) correspondence on the wall of said core hole (25).

4. high capacity bearing according to claim 2; It is characterized in that; Said at least one groove (36) between each said at least one adjacent cells spare (17) surrounds and forms a circular groove, and said circular groove is communicated with and contains one group of a plurality of road junction (42) of each said at least one group of a plurality of runner correspondence on said axis hole (18) wall.

5. high capacity bearing according to claim 4; It is characterized in that; Radially assembly between the said at least one adjacent cells spare (17) in the said assembly parts (12) agrees to the machine mode to install, make be communicated with said groove (36) respectively and a plurality of chases of two adjacent groups (35) that mutually interleaved is arranged between form the one group of a plurality of runner that interlock that is communicated with said circular groove.

6. high capacity bearing according to claim 4; It is characterized in that; Radially assembly between the said at least one adjacent cells spare (17) in the said assembly parts (12) is installed according to orientation type, makes to be communicated with said groove (36) respectively and to be mutually to form the one group of a plurality of runner that dock that is communicated with said circular groove between a plurality of chases of two adjacent groups (35) of align.

7. high capacity bearing according to claim 1; It is characterized in that; The cavity (11) of said department of assembly and shell (10) is complementary; So that the department of assembly of said at least two unit pieces (17) fits in the internal face of said cavity (11), and assembly parts (12) firmly is maintained in the cavity (11) of shell (10).

8. high capacity bearing according to claim 1; It is characterized in that; Said cavity (11) internal face of said shell (10) is provided with at least one fin (13) that extends vertically, and is provided with the respective slot (14) that engages each other with said at least one fin (13) of said shell (10) along the said department of assembly periphery wall of said unit piece (17).

9. high capacity bearing according to claim 1; It is characterized in that; Department of assembly's periphery wall of said unit piece (17) is provided with at least one fin (13) that extends vertically, and is provided with the respective slot (14) that engages each other with said at least one fin (13) of said department of assembly along said cavity (11) internal face of said shell (10).

10. high capacity bearing according to claim 1 is characterized in that, between the exterior wall (29) of said at least one chamber groove and the interior wall (30) a plurality of stiffening ribs (26) is set.

11. high capacity bearing according to claim 10; It is characterized in that; Said a plurality of stiffening rib (26) is fixed in the wall of exterior wall (29), interior wall (30) and the end wall (31) of said at least one chamber groove respectively; And high together with the free end of exterior wall (29) and interior wall (30), it is a plurality of independently than the loculus groove that said at least one chamber groove is separated into.

12. high capacity bearing according to claim 10; It is characterized in that; Said a plurality of stiffening rib (26) is fixed in the exterior wall (29) of said at least one chamber groove and the wall of interior wall (30) respectively; And the height than exterior wall (29) and interior wall (30) is low, make said at least one chamber groove be separated into a plurality of intercommunications than the loculus groove.

13. high capacity bearing according to claim 1 is characterized in that, said at least one chamber groove is provided with a plurality of through holes that run through Di Qiang (31).

14. high capacity bearing according to claim 1; It is characterized in that; Said department of assembly is arranged on the periphery wall of said unit piece (17) near one of said two joints, forms arbitrary outer radial periphery wall said waist (21) littler than said department of assembly by said department of assembly towards extending axially to another joint of said unit piece (17).

15. high capacity bearing according to claim 1 is characterized in that, it is also integrally formed to have at least a unit piece (17) to engage with the internal face of said shell (10) with the department of assembly in the said assembly parts (12).

16. high capacity bearing according to claim 1; It is characterized in that; The preferred arrangement available relationship formula-2≤1ogD≤0.5 * 1og of said at least one group of a plurality of runners (2 * Sd * H/N) give standard, wherein N is the sum of runner in the said high capacity bearing, D is to be the equivalent hydraulic diameter of single runner of unit with the millimeter; Sd is to be the axle core diameter of unit with the millimeter, and H is to be axis hole (18) length of unit with the millimeter.