CN205260610U - Well is with lubricated footstep bearing of dive motor water - Google Patents

Abstract

The utility model discloses a well is with lubricated footstep bearing of dive motor water, including the thrust disc, the disc shaft bearing, bearing stand support, the axle bush, the bearing dish, plastics internal grinding ring, the bearing dish is fixed on the disc shaft bearing by the double -screw bolt, the axle bush is become by the fan -shaped bearing sliding block set of a plurality of independences, the last plane of fan -shaped bearing slider is level and smooth, the spherical crown convex closure has in the middle of the bottom surface, follow the flank that fan -shaped bearing slide block body both sides straight flange has the symmetry to stretch out respectively, there are a spacing post of a pair of slider and a slider support post restriction in the bearing dish and support fan -shaped bearing slider, make the slider not only not hard up but also do not deviate from together with the cooperation of plastics internal grinding ring, wherein the flank of fan -shaped bearing slider has the difference in temperature in the two sides about when work friction is generated heat, makes the flank edge produce and produces the gap between small bending and the thrust disc, strengthens holding together lubricated water film, combines plastics internal grinding ring, and it is strong to have an axial bearing capacity, and material cost is low, improves the water lubricating ability, and increase of service life improves product quality's beneficial effect.

Description

Well submersible motor water lubricating thrust bearing possessing

Technical field

The utility model relates to a kind of thrust bearing structure for submersible motor, diving electricity for especially a kind of wellMachine water lubricating thrust bearing possessing.

Technical field

Background technology

In prior art, well thrust bearing of submersible motor is to be applied to well with in immersible pump, is to bear in the time of workThe vitals of large axial compressive force, quality and life-span to product play an important role, in order to improve well submersible motor water profitSliding thrust bearing, it is to need in industry that the axial compressive force ability to bear of increasing thrust bearing also will be improved water lubrication ability simultaneously alwaysThe technical problem solving, wherein has Chinese utility model patent " thrust bearing of submersible motor " patent No. to be200610124303.X and Chinese utility model patent " thrust bearing " patent No. is 200610124319.0, is all in order to solveStrengthen the problem of the axial compressive force ability to bear of thrust bearing, the well that they are described is main with submersible motor water lubricating thrust bearing possessingComprise that the disc shaft bearing of limbers is arranged around center at thrust disc and bottom, and at the axle of disc shaft bearing bottom self-aligning spherical supportBearing supporting and bearing shell, bearing shell is made up of multiple independent multipart bearing slide blocks, between described disc shaft bearing and bearing shell, goes backBe provided with bearing dish, and be fixed in disc shaft bearing by slide block positioning stud, multipart bearing slide block is pressed circumference uniform distribution at axleOn tray, described slide block positioning stud has jag on bearing dish, on bearing dish in every two adjacent jagsBetween be also furnished with spherical crown convex closure, described multipart bearing slide block upper and lower surface is level and smooth, the equal limited location flange of its big or small arc edge,Each multipart bearing slide block is all placed on spherical crown convex closure and between two adjacent jags and is defined position, described bearingDish also has centre bore, and this centre bore periphery is evenly equipped with the limited post I with groove I consistent with multipart bearing slide block quantity, at dishCircumferential periphery is evenly equipped with limited post II corresponding with limited post I, with groove II, on bearing dish in every two adjacent slidersThe centre of positioning stud jag is also furnished with spherical crown convex closure, and described multipart bearing slide block two sides is level and smooth, its big or small arc-shaped edgesEdge all has flange, and each multipart bearing slide block is all placed on spherical crown convex closure and outstanding in two adjacent sliders positioning studsBetween end, and slide block size arc-shaped edges flange embeds respectively between the groove II of limited post II and the groove I of limited post I and is lockedLive, make each multipart bearing slide block in loosening and the state that can not come off. It is strong that said structure has the pressure capability of bearing, structureSimple shape, easily processing, easily ensures the accuracy of manufacture, and the multipart bearing slide block advantage that can not come off, but said structureAlso have some shortcomings, in the time that Submersible Pump frequent starting is worked or when pump head flow is very high, or powerWhen large well is applied with submersible motor, thrust disc abrasive disc and multipart bearing slide block will be subject to very large axial compressive force and impact, holdEasily cause crackedly, in order to improve thrust disc abrasive disc and multipart bearing slide block intensity, need to choose high-intensity material, especially at presentThat the thrust disc abrasive disc of high-power well submersible motor and multipart bearing slide block must high-intensity materials, but in selection at presentBe difficult to stabilizing material source, thereby can not ensure quality of materials, and material cost is also higher, is subject to the limit of product priceSystem, the necessary selection difficulty that reduces thrust disc abrasive disc and multipart bearing slide block, stabilizing material source, thus can ensure material matterAmount, and reduce material cost, so can only consider from structure the axial compressive force of compensation thrust disc abrasive disc and multipart bearing slide blockAnd impact, this technical problem is also the technical problem of always researching and solving in industry; Wherein there is Chinese utility model patent ShenPlease " well thrust bearing of submersible motor structure " application number is 201310469565.x, fine solving these problems, but due toBearing needs the cooling and sufficient lubrication of water better to increase the service life, so, how to improve the lubricated energy of water to bearingPower is also the current technical problem that needs research and solve.

Utility model content

The technical problems to be solved in the utility model be to provide a kind of can augmented thrust Disc grinding plate and multipart bearing slidingPiece bears axial compressive force and impact, reduces thrust disc abrasive disc and the selection difficulty of multipart bearing slide block and the basis of material costUpper, can also improve the lubricating ability of water to bearing, increase the service life, the well improving the quality of products submersible motor water lubricationThrust bearing.

In order to solve the problems of the technologies described above, the technical scheme of submersible motor water lubricating thrust bearing possessing for the utility model wellBe: comprise that the disc shaft bearing of limbers is arranged around center at thrust disc and bottom, and at disc shaft bearing bottom self-aligning spherical supportBearing block support and bearing shell, bearing shell is made up of multiple independent multipart bearing slide blocks, described disc shaft bearing and bearing shell itBetween be also provided with bearing dish, and be fixed in disc shaft bearing by double-screw bolt, multipart bearing slide block is pressed circumference uniform distribution at bearing dishUpper, described bearing dish has centre bore, and that dish circumferential periphery is evenly equipped with is consistent with multipart bearing slide block quantity, its waist has recessedThe limited post of groove, has flange in the centre bore periphery upper end of described bearing dish, in this centre bore, is also provided with in plasticsBull ring, has below bull ring excircle in described plastics and the seam flange of the mutual locking of flange of the centre bore of bearing dish, mouldsIn material, the waist of bull ring has spill annular groove, the equal limited location flange of big or small arc edge of described multipart bearing slide block, and this is spacingFlange embeds respectively in the spill annular groove of bull ring in the groove of limited post and plastics and is limited, make each multipart bearing slide block inBecome flexible and the state that can not come off, in plastics, the upper end of bull ring has and multipart bearing slide block corresponding its fan shape of continuity one by oneThe quadrant block connecting, is separated by groove between adjacent quadrant block, the upper plane of quadrant block and multipart bearing slide block upperPlane, in same level, is characterized in that: the upper plane of described disc shaft bearing has and multipart bearing slide block quantityConsistent and position a pair of slide block limited post and a thrust slide supporting post one to one, has and multipart bearing in described bearing dishThe microscler embedding in being embedded in is wrapped respectively by every pair of slide block limited post and thrust slide supporting post one to one in the consistent and position of slide block quantityHole, and allow slide block limited post protrude plane on bearing dish, described thrust slide supporting styletable face is level and smooth, described multipart bearing slide block upperPlane is level and smooth, has spherical crown convex closure in the middle of bottom surface, from multipart bearing slide block straight flange both sides respectively symmetrical along planar body extendGo out flank, the top of described spherical crown convex closure be pressure-bearing on the level and smooth end face of thrust slide supporting post, a pair of slide block limited post be to fanIt is spacing that oblique crank Z holds slider bottom both sides, and slide block limited post top and flank have certain distance, allows multipart bearing slide block both sidesSwing.

As one of preferred technical scheme of the utility model be: the level and smooth end face of described thrust slide supporting post and bearing dishUpper plane is same plane.

As two of the preferred technical scheme of the utility model be: it is sliding that the thickness of described flank and width are multipart bearingBlock body thickness and width 1/3rd to 1/2nd times.

As three of the preferred technical scheme of the utility model be: described bearing shell is the multipart bearing slide block by 3～8Composition.

The beneficial effects of the utility model are: the utility model is owing to having adopted special multipart bearing slide block, whereinFlank is in the time of the thrust disc abrasive disc of bearing and multipart bearing slide block work frictional heating, and on flank, plane is heated has water to contact with itBottom surface produce the temperature difference, side flap edge can slight curves with thrust disc abrasive disc between produce gap, by around water bring thrust intoWorking face between Disc grinding plate and multipart bearing slide block is strengthened maintaining lubricating water film, improves lubricant effect; The utility model simultaneouslyIn conjunction with bull ring in plastics, together with it is combined with multipart bearing slide block, and the quadrant block and the fan that in plastics, on bull ring, haveShape bearing slider, in same level, in the time that thrust disc abrasive disc and multipart bearing slide block are subject to axial compressive force and impact, is mouldedIn material, bull ring has cushioning effect, can undertake the pressure and the impact that are subject to part by auxiliary separating, has avoided thrust disc abrasive disc and fan-shapedBearing slider is because of pressure and impact and excessively easily cause crackedly, under same equal-specification and condition of work, is equivalent to improve and pushes awayPower Disc grinding plate and multipart bearing slide block bear the ability of axial compressive force and impact, under same quality level, have reduced thrust millSelection difficulty and the material cost of sheet and multipart bearing slide block. So the utlity model has can augmented thrust Disc grinding plate andMultipart bearing slide block bears axial compressive force and impact, and the selection difficulty that reduces thrust disc abrasive disc and multipart bearing slide block becomes with materialOn this basis, can also improve the lubricating ability of water to bearing, increase the service life, the beneficial effect improving the quality of products.

Brief description of the drawings

Below in conjunction with accompanying drawing, well of the present utility model is described in more detail with submersible motor water lubricating thrust bearing possessing.

Fig. 1 is that the utility model well submersible motor water lubricating thrust bearing possessing is arranged on the sectional structure chart in motor.

Fig. 2 is disk bearing holder assembly front view in the utility model well submersible motor water lubricating thrust bearing possessing.

Fig. 3 is the upward view of Fig. 2.

Fig. 4 is the left view of Fig. 2.

Fig. 5 is the right view of Fig. 2.

Fig. 6 is the top view of Fig. 2.

Fig. 7 is the rearview of Fig. 2.

Fig. 8 is the stereogram of Fig. 2.

Fig. 9 is that the A-A of Fig. 2 cuts open to view.

Figure 10 is the front view of disc shaft bearing in the utility model well submersible motor water lubricating thrust bearing possessing.

Figure 11 is that the B-B of Figure 10 is to cutaway view.

Figure 12 is the rearview of Figure 10.

Figure 13 is the front view of the utility model well submersible motor water lubricating thrust bearing possessing axis tray.

Figure 14 is that the C-C of Figure 13 is to cutaway view.

Figure 15 is the front view of the interior bull ring of plastics in the utility model well submersible motor water lubricating thrust bearing possessing.

Figure 16 is that the D-D of Figure 15 is to cutaway view.

Figure 17 is the rearview of Figure 15.

Figure 18 is the front view of multipart bearing slide block in the utility model well submersible motor water lubricating thrust bearing possessing.

Figure 19 is the top view of Figure 18.

Figure 20 is that the E-E of Figure 18 is to cutaway view.

Figure 21 is the rearview of Figure 18.

Detailed description of the invention

Shown in Fig. 1～21, the utility model well with the embodiment of submersible motor water lubricating thrust bearing possessing is: comprise and pushing awayThe disc shaft bearing 2 of limbers is arranged around center at power dish 1 and bottom, and at the bearing of disc shaft bearing 2 bottom self-aligning spherical supportsSeat supporting 3 and bearing shell 4, bearing shell 4 is made up of multiple independent multipart bearing slide blocks 41, described disc shaft bearing 2 and bearing shell 4 itBetween be also provided with bearing dish 5, and be fixed in disc shaft bearing 2 by double-screw bolt 51, multipart bearing slide block 41 is pressed circumference uniform distribution and is existedOn bearing dish 5, as Figure 13～14, described bearing dish 5 has centre bore 53, and dish circumferential periphery is evenly equipped with and multipart bearing slide block 41Quantity consistent, its waist has the limited post 55 of groove 54, has flange in the centre bore 53 periphery upper ends of described bearing dish 556, in this centre bore 53, bull ring 6 in plastics is also installed, as Fig. 1,15～17, bull ring 6 excircles in described plasticsHave below and the seam flange 61 of the flange 56 mutual lockings of the centre bore 53 of bearing dish 5, in plastics, the waist of bull ring 6 hasSpill annular groove 62, the equal limited location flange 411 of big or small arc edge of described multipart bearing slide block 41, this defining flange 411 is respectivelyEmbed in the groove 54 of limited post 55 and the spill annular groove 62 of the interior bull ring 6 of plastics and be limited, make each multipart bearing slide block 41 placesIn loosening and the state that can not come off, in plastics, the upper end of bull ring 6 has and multipart bearing slide block 41 corresponding its fan of continuity one by oneThe quadrant block 63 that shape shape connects, is separated upper plane and the fan of quadrant block 63 by groove 64 between adjacent quadrant block 63The upper plane of shape bearing slider 41 in same level, as Figure 10～12, the upper plane of described disc shaft bearing 2 have withConsistent and position a pair of slide block limited post 21 and the thrust slide supporting post 22 one to one of multipart bearing slide block 41 quantity, as figure13～14, in described bearing dish 5, there is and position consistent with multipart bearing slide block 41 quantity one to one by every pair of slide block limitMicroscler embedding hole 52 in position post 21 and thrust slide supporting post 22 wrap respectively and be embedded in, and it is flat to allow slide block limited post 21 protrude on bearing dish 5Face, described thrust slide supporting post 22 end faces are level and smooth, and as Figure 18～21, the upper plane of described multipart bearing slide block 41 is level and smooth, in bottom surfaceBetween there is spherical crown convex closure 412, from multipart bearing slide block 41 straight flange both sides respectively symmetrical along planar body extend flank 413,The top of described spherical crown convex closure 412 be pressure-bearing on the level and smooth end face of thrust slide supporting post 22, a pair of slide block limited post 21 be to fanShape bearing slider 41 two bottom sides are spacing, and slide block limited post 21 tops and flank 413 have certain distance, as Fig. 8, allow fan-shapedBearing slider 41 is rolled to each side. In the present embodiment, flank 413 is worked at thrust disc 1 abrasive disc and the multipart bearing slide block 41 of bearingWhen frictional heating, on flank 413, plane is heated has the bottom surface that water contacts to produce the temperature difference with it, and flank 413 edges can slight curvesAnd between thrust disc 1 abrasive disc, produce gap, bring water around into work between thrust disc 1 abrasive disc and multipart bearing slide block 41Face is strengthened maintaining lubricating water film, improves lubricant effect; In plastics, bull ring 6 can adopt wear-resistant plastic injection mo(u)lding, its fan-shaped cunningThe upper surface of piece 63 is smooth, and between the groove 64 between described adjacent quadrant block 63 and adjacent multipart bearing slide block 41, gap connectsLogical, can be used as lubricated waterway, bearing shell 4 can adopt 3～8 multipart bearing slide blocks 41 to form, and diagram is 6 multipart bearingsSlide block 41 forms, and multipart bearing slide block 41 can be used high-strength alloy die cast, also can use common alloy processing after heatProcess and improve hardness finished plane again, in order to ensure all multipart bearing slide block 41 consistency of thickness of each composition bearing shell 4, canThe while plane of all multipart bearing slide blocks 41 of fine grinding together; The sphere of disc shaft bearing 2 bottoms and bearing block support 3Supporting, for regulating shaft bearing capacity balance and cooperation multipart bearing slide block 41 alignings.

Shown in Fig. 1～9, as the utility model be one of preferred embodiment: described thrust slide supporting post 22On level and smooth end face and bearing dish 5, plane is same plane. In the present embodiment, be thrust slide supporting post 22 optimum heights, now lubricatedWater flow resistance minimum, cooling space is enough again.

Shown in Figure 18～21, as the utility model preferred embodiment two be: the thickness of described flank 413 andWidth is multipart bearing slide block 41 body thickness and width 1/3rd to 1/2nd times. In the present embodiment, it is flank413 optimum size configurations, can ensure certain bearing strength, can ensure that again the temperature difference producing in the time of work produces side flap edgeSlight curves distortion, reaches and improves lubricant effect effect.

Shown in Fig. 2～8, as the utility model preferred embodiment three be: described bearing shell 4 is by 3～8Multipart bearing slide block 41 form. In the present embodiment, can according to bearing dish 5 size and bear pressure area select be 3,4,5,6,7,8 multipart bearing slide blocks 41 form, and are uniformly distributed on bearing dish 5, show 6 multipart bearing slide blocks 41 and form in figureBearing shell 4.

The utility model is owing to having adopted special multipart bearing slide block 41, and flank 413 is wherein at the thrust disc 1 of bearingWhen abrasive disc and multipart bearing slide block 41 are worked frictional heating, on flank 413, plane is heated has the bottom surface that water contacts to produce temperature with itPoor, flank 413 edges can slight curves with thrust disc 1 abrasive disc between produce gap, by water around bring into thrust disc 1 abrasive disc withWorking face between multipart bearing slide block 41 is strengthened maintaining lubricating water film, improves lubricant effect; The utility model is in conjunction with moulding simultaneouslyBull ring 6 in material, together with it is combined with multipart bearing slide block 41, and the quadrant block 63 having on bull ring 6 in plastics and fanShape bearing slider 41, in same level, is subject to axial compressive force and impact at thrust disc 1 abrasive disc and multipart bearing slide block 41Time, in plastics, bull ring 6 has cushioning effect, can undertake the pressure and the impact that are subject to part by auxiliary separating, has avoided thrust disc abrasive disc, under same equal-specification and condition of work, be equivalent to carry because of pressure with impact and excessively easily cause crackedly with multipart bearing slide blockHigh thrust disc abrasive disc and multipart bearing slide block bear the ability of axial compressive force and impact, under same quality level, have reduced and have pushed awaySelection difficulty and the material cost of power Disc grinding plate and multipart bearing slide block.

The above be the utility model preferred embodiment, do not form the limit to the utility model protection domainSystem, as long as implementing the purpose of this utility model with essentially identical means, all should belong to protection domain of the present utility model.

Claims (4)

1. a well submersible motor water lubricating thrust bearing possessing, comprises that the circle of limbers is arranged around center at thrust disc (1) and bottomDish bearing block (2), and at bearing block support (3) and the bearing shell (4) of disc shaft bearing (2) bottom self-aligning spherical support, bearing shell (4) isFormed by multiple independent multipart bearing slide blocks (41), between described disc shaft bearing (2) and bearing shell (4), be also provided with bearing dish(5), and it is upper to be fixed on disc shaft bearing (2) by double-screw bolt (51), and multipart bearing slide block (41) is pressed circumference uniform distribution in bearing dish (5)Upper, described bearing dish (5) has centre bore (53), that dish circumferential periphery is evenly equipped with is consistent with multipart bearing slide block (41) quantity,Its waist has the limited post (55) of groove (54), has flange (56) in centre bore (53) the periphery upper end of described bearing dish (5),In this centre bore (53), bull ring (6) in plastics is also installed, in described plastics, below bull ring (6) excircle, have withThe flange (56) of the centre bore (53) of bearing dish (5) is the seam flange (61) of locking mutually, and in plastics, the waist of bull ring (6) hasSpill annular groove (62), the equal limited location flange of big or small arc edge (411) of described multipart bearing slide block (41), this defining flange(411) embed respectively in the groove (54) of limited post (55) and the spill annular groove (62) of the interior bull ring (6) of plastics and be limited, make eachMultipart bearing slide block (41) is in loosening and the state that can not come off, and in plastics, the upper end of bull ring (6) has with multipart bearing slidingPiece (41) quadrant block (63) that corresponding its fan shape of continuity connects one by one, between adjacent quadrant block (63) by groove (64)Separate, the upper plane of the upper plane of quadrant block (63) and multipart bearing slide block (41) is in same level, and its feature existsThere is and position consistent with multipart bearing slide block (41) quantity one to one in: the upper plane of described disc shaft bearing (2)To slide block limited post (21) and a thrust slide supporting post (22), in described bearing dish (5), have and multipart bearing slide block (41) numberConsistent and the position of amount one to one will every pair of slide block limited post (21) and thrust slide supporting post (22) wrap be respectively embedded in interior microsclerEmbedding hole (52), and allow slide block limited post (21) protrude the upper plane of bearing dish (5), described thrust slide supporting post (22) end face is level and smooth, instituteThe upper plane of stating multipart bearing slide block (41) is level and smooth, has spherical crown convex closure (412) in the middle of bottom surface, straight from multipart bearing slide block (41)Both sides, limit are symmetrical respectively extends flank (413) along upper planar body, and the top of described spherical crown convex closure (412) is that pressure-bearing is at slide blockOn the level and smooth end face of support column (22), a pair of slide block limited post (21) is spacing to multipart bearing slide block (41) two bottom sides, andSlide block limited post (21) top and flank (413) have certain distance, allow multipart bearing slide block (41) to roll to each side.

2. well according to claim 1 submersible motor water lubricating thrust bearing possessing, is characterized in that: described thrust slide supportingThe upper plane of the level and smooth end face of post (22) and bearing dish (5) is same plane.

3. well according to claim 1 submersible motor water lubricating thrust bearing possessing, is characterized in that: described flank (413)Thickness and width be multipart bearing slide block (41) body thickness and width 1/3rd to 1/2nd times.

4. well according to claim 1 submersible motor water lubricating thrust bearing possessing, is characterized in that: described bearing shell (4)Multipart bearing slide block (41) by 3～8 forms.