CN201513375U - Integral bearing box for large-scale centrifugal fan - Google Patents
Integral bearing box for large-scale centrifugal fan Download PDFInfo
- Publication number
- CN201513375U CN201513375U CN2009202173298U CN200920217329U CN201513375U CN 201513375 U CN201513375 U CN 201513375U CN 2009202173298 U CN2009202173298 U CN 2009202173298U CN 200920217329 U CN200920217329 U CN 200920217329U CN 201513375 U CN201513375 U CN 201513375U
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- loam cake
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- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 10
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- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract 8
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 22
- 210000004907 gland Anatomy 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
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- 239000012467 final product Substances 0.000 description 3
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- 238000004364 calculation method Methods 0.000 description 2
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- 238000005461 lubrication Methods 0.000 description 2
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- 239000000047 product Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The utility model discloses an integral bearing box for a large-scale centrifugal fan, which comprises a base and an upper cover, wherein the upper cover is buckled and fixedly connected with the base, and shaft holes at the two sides of the base and the upper cover are correspondingly matched with the diameter of a shaft accommodated in the shaft holes; a bearing groove in which a bearing is placed is respectively and correspondingly arranged in the base and the upper cover, and oil pools are arranged at the two sides of the bearing grooves; a cooling water channel is arranged the two oil pools below the bearing grooves in the base, and an oil retaining groove communicated with the inner cavity of the bearing box through an oil return hole is arranged in the shaft holes at the two sides of the base and the upper cover which are correspondingly matched with the shaft diameter; oil retaining plates and fastening rings are arranged at the two sides of the bearing, and holes for communicating with the oil pools at the two sides are arranged at the lower parts of the oil retaining plates and the lower part of the base; and the oil pools are communicated with atmosphere through an air filter. The integral bearing box has simple structure, convenient installation and maintenance, good use effect, low manufacturing cost and better sealing effect, and can prolong the service life of the bearing and lubricating oil.
Description
Technical field
The utility model relates to a kind of mechanical part, refers in particular to the bearing housing that a kind of heavy mechanical equipment uses.Be mainly used in the solid box case that uses when selecting the roller bearings impeller for use on the blower fan industry large centrifugal blower fan.
Background technique
The two ends that the bearing housing that large centrifugal blower fan must use when using rolling bearing, bearing housing are positioned at axle are to use in pairs, divide fixed end bearing housing (also being fastening bearing housing) and free end bearing case (also being the spring bearing case).Free end bearing case is positioned at the end of machine spindle, the free end of supports main shaft, and the free end bearing case outside no longer connects other component; The other end of fixed end bearing housing supports main shaft, its outside also connects transmission component or miscellaneous equipment, and the fixed end bearing housing designs for overcoming the blower fan axial force, and free end bearing case is a bearing radial force then.
Blower fan industry large centrifugal blower fan employed bearing housing when using rolling bearing comprises base and loam cake at present, loam cake is fastened on above the base during use, inner chamber between base and the loam cake is shaped on the shoulder hole of laying bearing, and also need side cover at the axis hole place of base and loam cake both sides, side cover be through that axle is gone up and by be bolted to base and on cover, side cover also needs to contact with the outer ring of bearing locatees bearing outer ring.The strength of the loading ability of bearing of main equipment is very big, and bearing must have good lubricating, and has therefore all designed oil sump in bearing housing, injects lubricant oil in it, and the pasta of lubricant oil should be higher than the outer ring of bearing.Bearing when rotated, the roller of the bottom of bearing contacts with lubricant oil, lubricant oil is taken on the whole bearing, and get rid of other place to bearing housing; Bearing can with the lubricant oil heating, raise bearing housing temperature inside and gas pressure because of friction produces very high temperature when on-load rotates.Therefore the place, mating face between the junction plane place between base and the loam cake and side cover and base, loam cake all needs to be provided with seal arrangements such as sealing gasket, to prevent the slit seepage of lubricant oil from each combination.Axle side cover relatively rotates, at the O sealed type circle, labyrinth sealing groove etc. that also must be provided with on the side cover between axle and the side cover, the O sealed type circle of existing bearing case both sides has four at least, generally be to make by rubber, there is aging possibility in it, like this time once long may leakage of oil or oil impregnate, thereby cause the damage of bearing and to environment damage.For the gap between further seal shaft and the side cover, between the endoporus of side cover and axle, asbestos packing is set also, asbestos packing is the non-environment-protecting product of forbidding in the world, simultaneously also to be enclosed within the gland that compresses asbestos packing on the axle in the side cover arranged outside for fixing asbestos packing, side cover and gland all are to be enclosed within on the main shaft, the side cover and the gland fit on of therefore existing bearing housing side in the middle of the installation shaft brought forward must with the bearing housing inboard be main shaft earlier, can only pack into from outside bearing housing and of bearing along the bearing step that axially packs into main shaft of main shaft, such mounting type is wasted time and energy, also easily part or personnel are damaged, installation precision is not high.Side cover and gland are the whole not ironcasting of subdivision, they must be contained on the main shaft during equipment delivery, and the possibility that breaks is arranged in transit.
The high temperature of bearing generation heats lubricant oil in the course of the work, will very fast inefficacy if the temperature of lubricant oil is too high, bearing will be by scaling loss, so also cooling water passage will be arranged near the oil sump in bearing housing, the cooling water passage of existing bearing case is arranged in base and the loam cake, be positioned at the cavity of lubricant oil storage chamber outside, cooling water passage in base and the loam cake is communicated with by the water-cooled bend pipe from the back of bearing housing, front at bearing housing is provided with intake pipe and the outlet pipe that is communicated with cooling water passage, cooling water is to flow around the circumference up and down of whole bearing housing, so and because the cooling water passage in the lubricant oil loam cake that only splashes in bearing housing top does not have much effects to the cooling of lubricant oil.Such structure is being installed or maintenance must be first when transferring bearing accuracy be pulled down water-cooled bend pipe etc., just can take the bearing housing loam cake apart.Because the temperature in the bearing housing is higher, the pressure in it also increases, and has so also promoted leaking outside of lubricant oil.In order to reduce the pressure in the bearing housing, near the inboard in the middle of the main shaft breathing pipe is being set on the existing bearing case, be communicated with ambient atmosphere with inside bearing housing, but after the equipment stall, temperature in the bearing housing can reduce, air can enter bearing housing together with dust, increases the wearing and tearing to bearing.
In course of normal operation, the main shaft of equipment can expand and extend and chap, the length and the diameter of main shaft but can produce contraction after equipment is stopped transport, bearing housing is when overcoming main shaft flexible, be by the overcoat of bearing and the relative displacement of bearing housing, at this moment wanting to guarantee that bearing outside does not rotate, can be difficult thing to machining accuracy again at axial stretching freely.Have thermal stretching in order to overcome axle, need increase an axial force to bearing, this makes pivot friction power bigger, and the temperature of bearing housing is higher, quickens the damage of bearing.
Chinese patent ZL03155581.0 is openly a kind of excessively to have the release bearing case of the labyrinth sealed ring-oil that is used to prevent oil seepage, comprise, the bottom half-bearing case, this half chests has the seating face of the bearing that is used for supporting axle of pairing, also comprise an oil storage pool that is positioned at mould drag, and part is immersed in the oil storage pool and rotation is obtained ring with oil is transported to bearing from the space oil, also comprise an inside labyrinth sealing sleeve around the axle secure fit, and has a circumference axial groove that deviates from bearing, also comprise an outside labyrinth sealing part, protrude in the described axial groove one section axial, thereby form a labyrinth sealing, two half bearing casees all have around the close-fitting pediment opening of sleeve, outside labyrinth sealing partly is an independent ring, it has an axial projection that enters axial groove, also has another to maintain part in the circumferential groove radially in first bearing housing.
Shortcomings such as existing bearing case ubiquity that heaviness, complex structure, reliability are low, manufacturing and maintenance cost height do not meet the international main trend of present energy-saving and emission-reduction.
The model utility content
The utility model technical issues that need to address are in order to overcome the many deficiencies that comprise above-mentioned shortcoming of existing bearing housing, and a kind of simple in structure, easy for installation, bearing housing that using effect is good is provided.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
Large centrifugal blower fan solid box case, bearing housing uses in pairs, and one is the fixed end bearing housing, and one is free end bearing case.The loam cake that two kinds of bearing housings include base, fasten and be connected with base, the agent structure of base and loam cake structure bearing housing, between bearing housing both sides, base and loam cake, be provided with axis hole, axis hole base and on to cover be respectively semicircle, base and loam cake fasten the diameter of axle corresponding matching of axis hole with the axle that is held of its both sides, back; The corresponding bearing groove of laying bearing that is provided with in base and the loam cake, bearing groove is positioned at the neutral position of bearing housing, in the bearing groove both sides oil sump is set, and the oil sump size shape of both sides is identical, is provided with cooling water passage between two oil sumps below base inner bearing groove.
Further concrete structure of the present utility model is: by locating stud location, and connect between described base and the loam cake by bolt, last cover corresponding base buckling surface place be provided with on caping from the bolt of devaning of base.
Further concrete structure of the present utility model is: be provided with the retaining oil groove in the axis hole of described base and loam cake both sides and diameter of axle corresponding matching, the retaining oil groove is communicated with the oil sump of bearing housing by spill port, spill port is positioned on the base, and the lubricant oil that enters axis hole retaining oil groove is introduced oil sump.
Further concrete structure of the present utility model is: described bearing groove is the annular groove corresponding with bearing width.The outer ring of bearing is stuck in the bearing groove.
Further concrete structure of the present utility model is: the both sides of bearing groove are equipped with oil baffle, oil baffle is the plate of two semicircle cambers, it is installed in the groove of corresponding setting in base and the loam cake, the endoporus the inside that forms at two oil baffles also is provided with the retaining ring that is installed on the axle, all has the oil through that is communicated with the both sides oil sump in the bottom of every oil baffle.The installation direction of every oil baffle is when observing from the side of bearing housing, and it is positioned at the left and right sides of axle.
Further concrete structure of the present utility model is: the both sides of described loam cake are provided with the air-strainer that is communicated with oil sump, are provided with the hole that two oil sumps are communicated with in the bottom of base.
Further concrete structure of the present utility model is: described cooling water passage rear and front end is communicated with water-cooling tube by connecting plate.
Further concrete structure of the present utility model is: described bearing housing divides fixed end bearing housing and free end bearing case, the arranged outside sealing plate of the composition circular hole in the middle of the base of free end bearing case and the loam cake wherein is provided with the round nut and the packing ring of corresponding bearing inner race in the end of axle.
Further improvement of the utility model is: the free end bearing of described bearing housing is preferably axially displaceable bearing.
Owing to adopted technique scheme, the obtained technological progress of the utility model is:
The agent structure of bearing housing of the present utility model has only base and loam cake, the side cover and the axle head gland that do not have prior art middle (center) bearing case two ends, but directly be cast as incorporate bearing housing loam cake and base, so the utility model is all-in-one-piece bearing housing, it is simple in structure, has omitted a lot of assemblies, sealing effect and using effect are better, easy for installation, low cost of manufacture, once more to bearing housing seal, convenient when keeping in repair
Locating stud can will be between base and the loam cake accurate location, and the setting of the bolt of devaning is will go up caping from base in order to devan, and makes things convenient for separating of loam cake and base.The retaining oil groove reaches the setting of the spill port that is communicated with the retaining oil groove, the less amount of lubrication oil that enters bearing housing axis hole place can be drawn and get back to oil sump.The bearing groove of depositing bearing corresponding in base and the loam cake is corresponding with bearing width, bearing accurately can be located, and no longer needs to be provided with the parts of rigid bearing outer ring, after being placed in axle and bearing on the base, directly fastening loam cake and gets final product.The oil baffle of two semicircle cambers is set in the both sides of bearing groove, during the bearing high speed rotating, the lubricant oil that splashes is kept off near bearing by oil baffle, lubricant oil can contact with bearing top, and bearing top cooled off, the utility model is no longer established cooling water passage on bearing housing top, and cooling get final product to lubricant oil and cooling water passage only is set near the bottom oil sump of the base of bearing housing, thus the weight that has reduced bearing housing with improved reliability of products.Rotate with axle on the retaining ring installation shaft, retaining ring and oil baffle precision-fit, make oil baffle, retaining ring form a locking system round bearing, to lubricate oil catch near bearing, from the slit of oil baffle and the lubricant oil that flows out of the slit of oil baffle and retaining ring, also can be got rid of two sides up and down, get back to oil sump then, can not produce bigger oil mass axle and bearing housing junction plane place by the retaining ring of high speed rotating.Have the oil through that is communicated with the both sides oil sump in the bottom of two oil baffles, can make two flow of lubricant oil return ponds between the oil baffle, guarantee that left and right sides oil sump and bearing both sides lubricant oil communicate.Cooling water passage of the present utility model only is arranged in the base, is communicated with water-cooling tube in the rear and front end of base and can realizes cooling, and it does not influence the installation, maintenance and the dismounting loam cake of bearing housing.
The air-strainer on the oil sump top, both sides of bearing housing is communicated with the oil sump of bearing both sides respectively with atmosphere, can keep in the bearing housing and the pressure balance of bearing both sides, and the bearing housing bottom is communicated with the hole of both sides oil sump, makes the oil mass of left and right sides oil sump keep the balance circulation.Air-strainer can also be in bearing housing temperature when reducing, prevent that dust in air from entering bearing housing, prevent the wearing and tearing of dust, and keep the cleaning of bearing housing and inner lubricant oil thereof, the working life of improving lubrication effect and lubricant oil bearing.Oil sump space, bearing of the present utility model left and right sides size is identical, has reduced the structure of the easy leakage of oil of existing bearing housing, and the space, the left and right sides that has changed existing bearing housing is in different size, bearing left and right sides oil sump is obstructed, the different drawback of bearing left and right sides case internal pressure.
The preferred axially displaceable bearing of bearing, the extending amount of main axis length direction in the time of can overcoming temperature variation, this point relies on the characteristics of bearing itself and the precision of manufacturing just can realize, makes main shaft capable of expansion and contraction.Selecting for use of each class bearing will rely on accurate Life Calculation, needs to use for this reason and special software for calculation.Bearing housing divides fixed end bearing housing and free end bearing case, and the circular hole place sealing plate shutoff in the outside of free end bearing case is suitable for the free end situation of not stretching out bearing housing of axle.
Description of drawings
Fig. 1 is the structural representation of fixed end bearing housing of the present utility model.
Fig. 2 is the structural representation of free end bearing case of the present utility model.
Fig. 3 is the side-looking structural representation of bearing housing of the present utility model.
Wherein: 1, base, 2, oil ga(u)ge, 3, main shaft, 4, loam cake, 5, retaining ring, 6, round nut, 7, packing ring, 8, thermometer, 9, air-strainer, 10, oil baffle, 12, bearing, 13, the retaining oil groove, 16, bolt, 17, sealing plate, 20, spill port, 21, the plug of draining the oil, 22, clamping bolt, 23, cooling water passage, 24, valve, 25, water-cooling tube, 26, oil sump, 27, connecting plate, 28, bolt, 29, locating stud, 30, bolt, 31, packing ring, 32, the bolt of devaning, 35, plug discharges water.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Bearing housing of the present utility model is suitable for large centrifugal blower fan to be used, and is paired appearance during use, and one of them is the fixed end bearing housing, and as shown in Figure 1, another is a free end bearing case, as shown in Figure 2.The agent structure of two kinds of bearing housings mainly comprises base 1 and loam cake 4, main shaft 3 and bearing 12 are installed between base 1 and the loam cake 4, the inner ring of a side of bearing 12 leans against on the shaft shoulder of main shaft 3, on the main shaft 3 of the opposite side of bearing 12 round nut 6 and packing ring 7 is installed.Loam cake 4 is fastened on the base 1, junction plane place at base 1, loam cake 4 is provided with locating stud 29, connect by bolt 30 between base 1 and the loam cake 4, packing ring 31 is set on the bolt, corresponding base 1 buckling surface place is provided with the devan bolt 32 of loam cake 4 tops from base 1 on loam cake 4, and the bolt 32 of devaning is interior six square bolts.On the base 1 in the bearing housing outside, oil ga(u)ge 2 is installed.
Between bearing housing both sides, base 1 and loam cake 4, be provided with axis hole, axis hole base and on to cover be respectively semicircle, base and loam cake fasten the diameter of axle corresponding matching of axis hole with the axle that is held of its both sides, back; The corresponding bearing groove of laying bearing 12 that is provided with in base 1 and the loam cake 4, bearing groove is positioned at the neutral position of bearing housing, be provided with oil sump 26 in the bearing groove both sides, the oil sump size shape of both sides is identical, is provided with cooling water passage 23 below the base 1 inner bearing groove between two oil sumps.Oil sump 26 is made up of the cavity correspondence in cavity in the base 1 and the loam cake 4, be provided with the air-strainer 9 that is communicated with oil sump 26 in the both sides of loam cake 4, be provided with the hole that two oil sumps 26 are communicated with in the bottom of base 1, the plug 21 of draining the oil be installed in the bottom in bearing housing base 1 outside.Cooling water passage 23 runs through the rear and front end of base, on the base 1 of the rear and front end of cooling water passage 23, connecting plate 27 is set, be communicated with water-cooling tube 25 and valve 24 etc. on the connecting plate 27, the plug 35 that discharges water that is communicated with cooling water passage 23 is set, when needed to put the water in the clean cooling water passage 23 on base 1.Base 1 is fixed by clamping bolt 22 grades and equipment, between equipment and base 1 locating stud is set also.Be provided with thermometer 8 at the top of loam cake 4, with the temperature of monitoring bearing.
Shown in Figure 2 is that another bearing housing of the present utility model is a free end bearing case, the preferred axially displaceable bearing of bearing in the free end of its support and connection main shaft 3, free end bearing case.Because the free end outside of main shaft 3 is not connecting miscellaneous equipment or component, so the hole of the composition in the middle of the outer wing base of free end bearing case and the loam cake needs shutoff, sealing plate 17 need be set here, it is fastening with bolt 16 to add sealing gasket between sealing plate 17 and the bearing housing, and only gets final product at the installed inside oil baffle 10 and the retaining ring 5 of bearing.
The utility model applied range, it is straight through being the various model bearings related bearing housing of 120mm to 280mm mainly to adapt to brearing bore, and to bigger bearing, the utility model is also applicable.
Claims (9)
1. large centrifugal blower fan solid box case, comprise base (1), the loam cake (4) that fastens and be connected with base, it is characterized in that: the axis hole of base (1) and loam cake (4) both sides with held the axle diameter of axle corresponding matching, the corresponding setting laid the bearing groove of bearing (12) in base (1) and the loam cake (4), oil sump (26) is set in the bearing groove both sides, below base (1) inner bearing groove, is provided with cooling water passage (23) between two oil sumps.
2. large centrifugal blower fan solid box case according to claim 1, it is characterized in that between described base (1) and the loam cake (4) by locating stud (29) location, and, go up corresponding base (1) buckling surface place at loam cake (4) and be provided with the bolt of devaning (32) of loam cake (4) top from base (1) by bolt (30) connection.
3. large centrifugal blower fan solid box case according to claim 1, it is characterized in that being provided with retaining oil groove (13) in the axis hole of described base (1) and loam cake (4) both sides and diameter of axle corresponding matching, retaining oil groove (13) is communicated with the oil sump of bearing housing by spill port (20).
4. large centrifugal blower fan solid box case according to claim 1 is characterized in that described bearing groove is the annular groove corresponding with bearing width.
5. according to claim 1 or 4 described large centrifugal blower fan solid box casees, the both sides that it is characterized in that described bearing groove are equipped with oil baffle (10), oil baffle (10) is the plate of two semicircle cambers, the endoporus the inside that forms at two oil baffles (10) is provided with the retaining ring (5) that is installed on the axle, all has the oil through that is communicated with the both sides oil sump in the bottom of every oil baffle (10).
6. large centrifugal blower fan solid box case according to claim 1 is characterized in that the both sides of described loam cake (4) are provided with the air-strainer (9) that is communicated with oil sump (26), is provided with the hole that two oil sumps are communicated with in the bottom of base.
7. large centrifugal blower fan solid box case according to claim 1 is characterized in that described cooling water passage (23) rear and front end is communicated with water-cooling tube (25) by connecting plate (27).
8. large centrifugal blower fan solid box case according to claim 1, it is characterized in that described bearing housing divides fixed end bearing housing and free end bearing case, the circular hole arranged outside sealing plate of forming in the middle of base of free end bearing case (1) and the loam cake (4) (17) wherein is provided with the round nut (6) and the packing ring (7) of corresponding rigid bearing inner ring in the end of axle.
9. according to claim 1 or 8 described large centrifugal blower fan solid box casees, it is characterized in that the free end bearing of described bearing housing is preferably axially displaceable bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202173298U CN201513375U (en) | 2009-09-28 | 2009-09-28 | Integral bearing box for large-scale centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202173298U CN201513375U (en) | 2009-09-28 | 2009-09-28 | Integral bearing box for large-scale centrifugal fan |
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| Publication Number | Publication Date |
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| CN201513375U true CN201513375U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202173298U Expired - Fee Related CN201513375U (en) | 2009-09-28 | 2009-09-28 | Integral bearing box for large-scale centrifugal fan |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968080A (en) * | 2010-08-18 | 2011-02-09 | 江苏龙达传动有限公司 | Bearing seat with oil return groove |
| CN102808799A (en) * | 2012-08-30 | 2012-12-05 | 江苏金通灵流体机械科技股份有限公司 | Bearing seat sealing device for centrifugal fan |
| CN103104537A (en) * | 2011-11-14 | 2013-05-15 | 湖北双剑鼓风机制造有限公司 | Water-cooled oil lubrication rolling bearing seat |
| CN103939481A (en) * | 2014-04-12 | 2014-07-23 | 方义飞 | Disassembly-free scrap-iron-cleanable bearing seat, cleaning method and mining industry engineering machine |
| CN105545972A (en) * | 2014-04-12 | 2016-05-04 | 方义飞 | Bearing pedestal, mineral engineering machine and engineering machine |
| CN105570314A (en) * | 2014-04-12 | 2016-05-11 | 方义飞 | Engineering machine, dismounting-free bearing block with oil cavity capable of being cleaned and cleaning method for oil cavity |
| CN105650127A (en) * | 2014-04-12 | 2016-06-08 | 方义飞 | Engineering machine, mineral engineering machine, bearing seat and oil cavity cleaning method of bearing seat |
| CN107314038A (en) * | 2017-08-25 | 2017-11-03 | 江苏海特尔机械有限公司 | A kind of bearing block cooled down with lubricating oil with oil-leakage-prevention |
-
2009
- 2009-09-28 CN CN2009202173298U patent/CN201513375U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968080A (en) * | 2010-08-18 | 2011-02-09 | 江苏龙达传动有限公司 | Bearing seat with oil return groove |
| CN103104537A (en) * | 2011-11-14 | 2013-05-15 | 湖北双剑鼓风机制造有限公司 | Water-cooled oil lubrication rolling bearing seat |
| CN102808799A (en) * | 2012-08-30 | 2012-12-05 | 江苏金通灵流体机械科技股份有限公司 | Bearing seat sealing device for centrifugal fan |
| CN102808799B (en) * | 2012-08-30 | 2014-10-22 | 江苏金通灵流体机械科技股份有限公司 | Bearing seat sealing device for centrifugal fan |
| CN103939481A (en) * | 2014-04-12 | 2014-07-23 | 方义飞 | Disassembly-free scrap-iron-cleanable bearing seat, cleaning method and mining industry engineering machine |
| CN105257716A (en) * | 2014-04-12 | 2016-01-20 | 长沙贤正益祥机械科技有限公司 | Disassemble-free bearing seat with scrap iron removing function, removing method and mining engineering machine |
| CN103939481B (en) * | 2014-04-12 | 2016-02-17 | 方义飞 | Exempt from bearing support and method for cleaning, Mineral Engineering machinery that dismounting can clear up iron filings |
| CN105545972A (en) * | 2014-04-12 | 2016-05-04 | 方义飞 | Bearing pedestal, mineral engineering machine and engineering machine |
| CN105570314A (en) * | 2014-04-12 | 2016-05-11 | 方义飞 | Engineering machine, dismounting-free bearing block with oil cavity capable of being cleaned and cleaning method for oil cavity |
| CN105605106A (en) * | 2014-04-12 | 2016-05-25 | 方义飞 | Bearing pedestal, cleaning method of oil cavity thereof, engineering machine and mineral engineering machine |
| CN105650127A (en) * | 2014-04-12 | 2016-06-08 | 方义飞 | Engineering machine, mineral engineering machine, bearing seat and oil cavity cleaning method of bearing seat |
| CN107314038A (en) * | 2017-08-25 | 2017-11-03 | 江苏海特尔机械有限公司 | A kind of bearing block cooled down with lubricating oil with oil-leakage-prevention |
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Granted publication date: 20100623 Termination date: 20120928 |