CN202867565U - Rolling bearing sleeve for ball grinding mill - Google Patents
Rolling bearing sleeve for ball grinding mill Download PDFInfo
- Publication number
- CN202867565U CN202867565U CN201220491837.7U CN201220491837U CN202867565U CN 202867565 U CN202867565 U CN 202867565U CN 201220491837 U CN201220491837 U CN 201220491837U CN 202867565 U CN202867565 U CN 202867565U
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- lobe
- shaped flange
- flange plate
- taper bush
- hole
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Abstract
The utility model discloses a rolling bearing sleeve for a ball grinding mill, and belongs to improvement on rolling bearing fixed components of a ball grinding mill. The rolling bearing sleeve comprises conical sleeves and T-shaped flange discs, wherein the T-shaped flange discs are respectively fixedly connected with the two ends of each conical sleeve. The rolling bearing sleeve is characterized in that the peripheries of the end surfaces of the T-shaped flange discs at two ends are respectively provided with a circle of limiting bolts which are parallel to the conical sleeves in the axial direction and are arranged from outside to inside; and the inner ends of the limiting bolts are respectively connected to the two end surfaces of the rolling bearing inner sleeve. When axial load exists, the force is pointed from the large end of each conical sleeve to the small end of each conical sleeve, or from the small end of each conical sleeve to the large end of each conical sleeve, and the force can be counteracted by the limiting bolts arranged on the two sides of the bearing inner sleeve, so that the normal operation of the sliding bearing can be guaranteed, and the security operation efficiency of the ball grinding mill is improved; and meanwhile, the rolling bearing sleeve is easily mounted and dismounted, is convenient to maintain and easy to popularize and implement, and is an optimal technology of an energy-saving ball grinding mill.
Description
Technical field
The utility model relates to a kind of rolling bearing lining, belongs to the improvement of rolling bearings of ball mill fixed component.
Background technique
When the Sliding bush that traditional pebble mill is used is transformed into rolling bearing, must use the rolling bearing lining.Existing disclosed Chinese utility model patent ZL02282309.3 and the disclosed rolling bearing lining of ZL200420115942.6, it comprises taper bush, outer baffle ring.The endoporus of rolling bearing is taper, and the outside of taper bush is taper.Rolling bearing advances to stub end gradually from the little head end of taper bush, arrives default position, outer baffle ring is fixedly mounted with the little head end of this lining again, the side that set seam will withstand rolling bearing on the outer baffle ring, and the opposite side of rolling bearing then can't be spacing.In actual use, exist two aspects not enough.One, when the journal wear that matches with this rolling bearing lining is serious, rolling bearing must advance to this lining stub end more, employed journal wear is more serious, rolling bearing is more to this lining stub end propelling, only in this way, the effective cooperation between guarantee rolling bearing and the taper bush.When the rolling bearing push-in stroke is larger, because default seam limited length on the outer baffle ring, do not reach the side of rolling bearing inner sleeve, can cause the both sides of rolling bearing inner sleeve all can't be spacing.Otherwise if employed journal wear seldom, rolling bearing is to just lacking that the lining stub end advances, accordingly, outer baffle ring also can move back outside the little head end of lining, and is oversize if the seam of outer baffle ring is reserved, and the outside of outer baffle ring can rub with inner generation of side pressure lid of bearing support.Its two, when pebble mill is in operation when producing larger axial force, the direction of this power may be pointed to feed end, also may point to discharge end.If axial force is to hold the sensing stub end by the taper bush microcephaly, because the seam of outer stop ring and microcephaly's end contact of rolling bearing inner sleeve can bear this axial force; If axial force is to point to little head end by the taper bush stub end, because the rolling bearing inner sleeve of taper bush stub end does not have bounding means, and the bearing outside two ends are spacing by bearing support both sides gland, under the effect of this power, axle and taper bush are held propelling to the microcephaly gradually, the stub end of taper bush constantly enters bearing inner sleeve, increased the magnitude of interference of rolling bearing inner sleeve and lining, such as long-time propelling, magnitude of interference is excessive, the inner sleeve of rolling bearing can be bursting at the collision, thereby causes this rolling bearing to lose efficacy.
The model utility content
For the lining that solves rolling bearing in the above-mentioned prior art does not have spacing, rolling bearing easily is bursting at the collision, the defective that causes this rolling bearing to lose efficacy, the purpose of this utility model be to provide a kind of can both the spacing and convenient rolling bearing lining of regulating spacing distance to rolling bearing inner sleeve both sides.
To achieve these goals, the utility model adopts following technological scheme: a kind of rolling bearings of ball mill lining, and it is arranged in the interior cone shape hole of rolling bearings of ball mill; It comprises split type taper bush, distinguishes affixed T-shaped flange plate with these taper bush two ends; Its characteristics are: the caging bolt that arranges with taper bush parallel to an axis and ecto-entad is housed respectively in the outer periphery of the T-shaped flange plate end face at two ends, the inner of this caging bolt respectively with the both ends of the surface apical grafting of described rolling bearing inner sleeve.
Above-mentioned taper bush is at least 2 lobes, and lobe is big or small identical with lobe, and its inwall is arc shape; After the taper bush assembling of at least 2 lobes is in aggregates, its inwall was cylindric, fitted with the axle journal of described end cover of ball mill axle; The outer surface of this taper bush is conical, cooperates with described rolling bearing cone-shaped inner hole and joins; Above-mentioned T-shaped flange plate is split-type structural, and the lobe number that it divided is identical with the lobe number of described taper bush, every lobe big or small identical.
Above-mentioned taper bush is divided into the 2-6 lobe; In the edge that lobe and lobe join, the middle part axial along this taper bush is provided with cylinder pin hole, is respectively equipped with bolt hole in the both sides of this cylinder pin hole; The bolt of locating, being screwed in described bolt hole by the straight pin that plugs in described cylinder pin hole between lobe and the lobe is mutually affixed with it.
Above-mentioned T-shaped flange plate consists of by the card of ring-type with at the round platform of this card inner periphery to a side projection; This T-shaped flange plate is divided into the 2-6 lobe, and lobe and lobe connecting part are positioned at the outer periphery of described round platform; The relative position that joins at lobe and lobe is provided with through hole and interior threaded hole; Pass through hole by bolt and be screwed in the interior threaded hole, with splicing is fixing mutually between the lobe of T-shaped flange plate and the lobe.
Above-mentioned T-shaped flange plate is divided into the T-shaped flange plate of stub end and the T-shaped flange plate of little head end that structure is identical, the card external diameter is different.
Be equipped with a ring through hole and a circle interior threaded hole on the card of the T-shaped flange plate of above-mentioned stub end and the T-shaped flange plate of little head end; The big end surface of above-mentioned taper bush and little end surface respectively are provided with through hole and the corresponding interior threaded hole of the through hole on the T-shaped flange plate of little head end on a circle and the T-shaped flange plate of stub end, and be affixed with the T-shaped flange plate card of stub end and the T-shaped flange plate card of described little head end respectively by bolt.
For the rolling bearing that guarantees in main equipment, to use, can alleviate deadweight, provide convenience for manufacturing and installation, guarantee simultaneously the normal operation of this rolling bearing; Can offer in the circumferential direction of the circle or axially groove at the endoporus of above-mentioned taper bush, groove be shaped as ring-type or rectangular-shaped, the groove depth of groove accounts for the 1/4/-2/3 of above-mentioned taper bush average thickness; Wherein, the overall width of annular recess accounts for the vertically 1/10-1/2 of total length of above-mentioned taper bush; The overall width of rectangular-shaped groove accounts for the 1/10-1/2 of above-mentioned taper bush inner circle girth.
Except can offering ring-type or rectangular-shaped groove, can also offer a plurality of columniform blind holes in the cambered surface of above-mentioned taper bush endoporus, the spacing between adjacent two blind holes equates; Wherein, the diameter in blind hole is 20 ~ 200mm, and the degree of depth is 1/4～2/3 of above-mentioned taper bush average thickness; The area of a circle summation in all blind holes is less than 1/2 of above-mentioned taper bush endoporus cylinder area; Spacing between adjacent two blind holes needs the diameter greater than described blind hole.
Owing to having adopted technique scheme, the beneficial effects of the utility model are as follows: 1) periphery at the T-shaped flange plate end face at rolling bearing lining two ends is equipped with respectively the caging bolt that arranges with taper bush parallel to an axis and ecto-entad, this caging bolt inner all with the both ends of the surface apical grafting of rolling bearing inner sleeve, when thrust load is arranged, no matter this power is that large end by taper bush points to small end, or point to large end by small end, the caging bolt of rolling bearing inner sleeve both sides all can be offset this power.Can guarantee that this rolling bearing inner sleeve can not be bursting at the collision, effectively guarantee the normal operation of rolling bearing, improve the safe operation efficient of pebble mill.2) critical piece of this rolling bearing lining is split-type structural, comprises the T-shaped flange plate of stub end and the T-shaped flange plate of little head end; Its separate form is identical with the form of taper bush, is easy to installation and removal, is convenient to safeguard; Effectively alleviated installer's labor intensity.3) be easy to assembling, the T-shaped flange assembling at split type rolling bearing lining and two ends can be integrated by bolt and straight pin, bearing sleeve is set in the endoporus of rolling bearing, guaranteed the quality of fit of rolling bearing and axle journal, improve the safe handling coefficient of rolling bearing, effectively prolonged the working life of rolling bearings of ball mill; 4) adopt the taper bush inwall that uses at main equipment to offer annular or rectangular-shaped groove, or have a technological scheme of a plurality of blind cylindrical hole at the inwall of taper bush, can effectively alleviate the deadweight of taper bush, widen the Applicable scope of this rolling bearing lining; Meet energy-saving and cost-reducing national policy, be easy to promotion and implementation.
Description of drawings
Fig. 1 is the structural representation of the utility model overall package.
Fig. 2 is the structural representation of the T-shaped flange plate B of little head end.
Fig. 3 is that the E of Fig. 2 is to structural representation.
Fig. 4 is the structural representation of the T-shaped flange plate C of stub end.
Fig. 5 is that the H of Fig. 4 is to structural representation.
Fig. 6 is the structural representation of taper bush A among Fig. 1.
Fig. 7 is that Fig. 6 F is to structural representation.
Fig. 8 is that Fig. 6 G is to structural representation.
Fig. 9 is that Fig. 6 L-L is to cross-sectional view.
Figure 10 is that Fig. 6 M-M is to cross-sectional view.
Figure 11 is the structural representation of taper bush A endoporus fluting.
Figure 12 is that Figure 11 D-D is to cross-sectional view.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail.
Such as Fig. 1, Fig. 2, Fig. 4, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, rolling bearing lining of the present utility model comprises split type taper bush A, the T-shaped flange plate B of little head end and the T-shaped flange plate C of stub end.
The endoporus of above-mentioned taper bush A is cylindrical, fits with the axle journal of end cover of ball mill axle Z; Periphery is conical, and conical external surface cooperates the (not shown) that joins with the endoporus of rolling bearing.
Be provided with the interior threaded hole 10 that a circle and the T-shaped flange plate B of little head end join at the little end surface of taper bush A, big end surface is provided with the interior threaded hole 11 that a circle and the T-shaped flange plate C of stub end join.
Taper bush A can be divided into the 2-6 lobe according to the size of bearing; Be divided into 2 lobes in this example, outer periphery, both sides at lobe and lobe abutted surface, the bolt connecting hole that lobe respectively is provided with the through hole 12 of an installation connecting bolt 19 with lobe relative position place and corresponding interior threaded hole 13 forms with it, wherein, through hole 12 is opened on the abutted surface of epivalve, and interior threaded hole 13 is opened on the abutted surface of hypovalve; 2 pairs of bolt connecting holes are one group, divide the both sides that are located at every lobe; Leading portion and back segment along the axial length of taper bush A respectively are provided with one group of bolt connecting hole; Between two groups of bolt connecting holes, the column pin hole that also is provided with one group of through hole 15 that straight pin 24 is installed and forms with blind hole 16 that through hole 15 is oppositely arranged.
The little end surface of tapered lining A is uniformly distributed with a circle interior threaded hole 10 along the circumference, and big end surface is uniformly distributed with a circle interior threaded hole 11 along the circumference; Interior threaded hole 10 is identical with the quantity of interior threaded hole 11, and the interior threaded hole 10,11 on every lobe is provided with at least 2, is provided with 3 in the present embodiment; Interior threaded hole 10 on little end surface and the big end surface, 11 diameter are identical, are 10 ~ 100mm; Circumferentially be evenly equipped with the interior threaded hole 14 of 4 lifting usefulness on the edge, middle part of tapered lining A, the diameter of this erection opening is determined according to the weight of tapered lining A.
The T-shaped flange plate B of little head end, it is Split type structure, can be made as required 2 lobe to 6 lobes; In the present embodiment, the T-shaped flange plate B of little head end is made as 2 lobes, and the inside of every lobe is the cylndrical surface, fits with the axle journal of end cover of ball mill axle Z; In the connecting part, both sides of the T-shaped flange plate B of this little head end lug boss 2 lobe peripheries, respectively be provided with one the through hole 3 of connecting bolt 9 and the bolt connecting hole that the interior threaded hole 4 corresponding with it forms are installed; Wherein, through hole 3 is opened the abutted surface place at epivalve, and interior threaded hole 4 is opened the abutted surface place at hypovalve; Connecting bolt 9 is screwed into by through hole 3 until in the interior threaded hole 4, will be fixed as one between the lobe of the T-shaped flange plate B of little head end and the lobe.Be provided with the corresponding through hole 2 of a circle and taper bush A microcephaly end face interior threaded hole 10 in the disc circumference of the T-shaped flange plate B of little head end, connecting bolt 17 via through holes 2 are screwed into and the interior threaded hole 10 relative with the little end surface of taper bush A is spirally connected fixing; Circumference in through hole 2 outsides is provided with the interior threaded hole 1 of mounting limit bolt 18, and caging bolt 18 ecto-entads are screwed into, the inner sleeve apical grafting of its top and rolling bearing.
In like manner, the T-shaped flange plate C of stub end, it is Split type structure, can be made as required 2 lobe to 6 lobes; In the present embodiment, the T-shaped flange plate C of stub end is made as 2 lobes, and the inside of every lobe is the cylndrical surface, fits with the axle journal of end cover of ball mill axle Z; In the connecting part, both sides of the T-shaped flange plate C of this stub end lug boss 2 lobe peripheries, respectively be provided with one the through hole 7 of connecting bolt 20 and the bolt connecting hole that the interior threaded hole 8 corresponding with it forms are installed; Wherein, through hole 7 is opened the abutted surface place at epivalve, and interior threaded hole 8 is opened on the abutted surface of hypovalve; Connecting bolt 20 is screwed into by through hole 7 until in the interior threaded hole 8, will be fixed as one between the lobe of the T-shaped flange plate C of stub end and the lobe.Be provided with the corresponding through hole 6 of a circle and taper bush A big end surface interior threaded hole 11 in the disc circumference of the T-shaped flange plate C of stub end, connecting bolt 21 via through holes 6 are screwed into the corresponding interior threaded hole of taper bush A 11 and are spirally connected fixing; Circumference in through hole 6 outsides is provided with the interior threaded hole 5 of mounting limit bolt 22; Caging bolt 22 ecto-entads are screwed into, the inner sleeve apical grafting of its top and rolling bearing.
Such as Fig. 3, shown in Figure 5, the T-shaped flange plate C of stub end and the T-shaped flange plate B of little head end shape are identical, and only the deep bid size is different for both.The deep bid diameter of the T-shaped flange plate C of stub end is larger than the deep bid diameter of the T-shaped flange plate B of little head end, and the computational methods of its diameter increasing amount are: 2 tg θ * taper bush length, θ are the cone angle of rolling bearing endoporus; When joining lining for a certain rolling bearing, the θ value is known.On the deep bid of the T-shaped flange plate C of stub end, the center line place diameter of a circle in set through hole 6 and interior threaded hole 5 these two circles holes is also done corresponding adjustment.
Such as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the through hole 6 that arranges on the through hole 2 that arranges on the T-shaped flange plate B of the little head end card and interior threaded hole 1 and the T-shaped flange plate C of the stub end card and interior threaded hole 5 are for evenly distributing; The diameter of the interior threaded hole 5 that arranges on the interior threaded hole 1 that arranges on the T-shaped flange plate B of the little head end card and the T-shaped flange plate C of the stub end card is identical, all between 10 ~ 100mm; The diameter of the through hole 6 that arranges on the through hole 2 that arranges on the T-shaped flange plate B of the little head end card and the T-shaped flange plate C of the stub end card is identical, all between 10 ~ 100mm.
Such as Fig. 2, Fig. 4, shown in Figure 6, quantity and internal diameter that through hole 2 is set on the interior threaded hole 10 of microcephaly's end face setting of taper bush A and the T-shaped flange plate B of the little head end card are all identical; Quantity and internal diameter that through hole 6 is set on the interior threaded hole 11 of stub end setting and the T-shaped flange plate C of the stub end card are all identical.
Such as Figure 11, shown in Figure 12, be the technological scheme of the second structure of taper bush A in the utility model rolling bearing lining, wherein, and parts and annexation and aforementioned basic identical, different is:
When using rolling bearing in main equipment, used bearing sleeve is very thick sometimes, and its weight is large.Not only give to make and installation has increased difficulty, and because of the effect of inertial force, also can affect the normal operation of rolling bearing.Therefore, a part of along circumferential or axial cutting at the endoporus of taper bush A, the part of cutting can be annular, also can be rectangle, can also beat some columniform blind holes etc.
In the present embodiment, cut out at least 2 annular grooves 23 along the endoporus circumferencial direction of this taper bush A, the thickness of annular groove 23 accounts for 1/4～2/3 of taper bush A average thickness, overall width account for taper bush A along the axial length 1/10～1/2; If cutting part is rectangular-shaped vertically, its thickness accounts for 1/4～2/3 of taper bush A average thickness, and overall width accounts for the 1/10-1/2 of taper bush A inner circle girth.
If adopt the endoporus cambered surface at taper bush A to have a plurality of columniform blind holes (not shown), wherein, the diameter in blind hole is 20-200mm, and the degree of depth is 1/4～2/3 of taper bush A average thickness; Spacing between adjacent two blind holes needs the diameter greater than this blind hole.
Such as Fig. 1-shown in Figure 12, building block principle of the present utility model is as follows:
During application, two lobes of the T-shaped flange plate C of stub end are placed on the axle journal of end cover of ball mill axle Z, its inner cylindrical surface and this axle journal are fitted, the through hole 7 of connecting bolt 20 by these flange plate lug boss 2 lobe connecting parts is screwed into, directly be screwed in the interior threaded hole 8, two lobes that will this T-shaped flange plate after screwing tight are fixedly connected and are integrated; Make the little end surface of flange plate be close to the shaft shoulder.Then, taper bush A is installed, 2 lobe taper bush lobes are installed respectively connecting bolt 19 with after lobe docks at leading portion and back segment; The center of interior threaded hole 13 and through hole 12 will align, and connecting bolt 19 is screwed into by through hole 12, directly is screwed into interior threaded hole 13; After two sections connecting bolt 19 is fixing respectively, enter in the blind hole 16 by through hole 15 pins with straight pin 24 again, lock fix after, the taper bush that is divided into 2 lobes is assembled into holistic taper bush; The big end surface of this taper bush is close to the deep bid end face of the T-shaped flange plate C of stub end, and the through hole 6 that bolt 21 passes on this deep bid is screwed in the interior threaded hole 11 of taper bush A big end surface, and the T-shaped flange plate C of stub end and taper bush A is affixed; At last, the T-shaped flange plate B of little head end is installed on the little end surface of taper bush, its installation method is the same with the T-shaped flange plate C of stub end.
Afterwards, some caging bolt 22 ecto-entads are respectively charged in the interior threaded hole 5 of the T-shaped flange plate C periphery of stub end outer ring, ecto-entad turn caging bolt 22 pushes up on the end face of rolling bearing inner sleeve the end of caging bolt 22; Some caging bolt 18 ecto-entads are respectively charged in the interior threaded hole 1 of the T-shaped flange plate B periphery of little head end outer ring, ecto-entad turn caging bolt 18 pushes up on the other end of rolling bearing inner sleeve the end of caging bolt 18; Caging bolt 18 and caging bolt 22 hold out against it respectively from the both sides of rolling bearing inner sleeve; Wherein, what and caging bolt 18 and 22 used quantity that interior threaded hole 1, interior threaded hole 5 are offered are to determine according to the size of bearing load.
If adopt the taper bush A of the second structure, first 2 lobe taper bush are integrated, a part of along its circumferential or axial cutting at the endoporus of taper bush, the part of cutting can be annular, also can be rectangle, can also beat some columniform blind holes etc.; Then, it is sleeved on the axle journal of end cover of ball mill axle Z as stated above, and affixed with the T-shaped flange plate B of little head end and the T-shaped flange plate C of stub end; Finish the assembling of the utility model rolling bearing lining.
Because each is by a circle caging bolt 22, a circle caging bolt 18 apical graftings in the both sides of rolling bearing inner sleeve.When thrust load was arranged, no matter this power was by the large end sensing small end of taper bush A, still points to large end by small end, and the caging bolt 22,18 of rolling bearing inner sleeve both sides all can " be offset " this power.Taper bush A can not move axially, and the rolling bearing inner sleeve can not be bursting at the collision, and has guaranteed the normal operation of rolling bearing, has guaranteed the normal operation of pebble mill yet, and practical effect is obvious.
Claims (10)
1. rolling bearings of ball mill lining, it is arranged in the cone shape hole in the rolling bearings of ball mill; It comprises split type taper bush, distinguishes affixed T-shaped flange plate with these taper bush two ends; It is characterized in that: the caging bolt that arranges with taper bush parallel to an axis and ecto-entad is housed respectively in the outer periphery of the T-shaped flange plate end face at two ends, the inner of this caging bolt respectively with the both ends of the surface apical grafting of described rolling bearing inner sleeve.
2. rolling bearings of ball mill lining as claimed in claim 1, it is characterized in that: described taper bush is divided into 2 lobes at least, and lobe is big or small identical with lobe, and its inwall is arc shape; After the taper bush assembling of at least 2 lobes is in aggregates, its inwall was cylindric, fitted with the axle journal of described end cover of ball mill axle; Assemble the outer surface of rear taper bush in aggregates for conical, cooperate with described rolling bearing cone-shaped inner hole and join; Described T-shaped flange plate is split-type structural, and the lobe number that it divided is identical with the lobe number of described taper bush, every lobe big or small identical.
3. rolling bearings of ball mill lining as claimed in claim 2, it is characterized in that: described taper bush is divided into the 2-6 lobe; In the edge that lobe and lobe join, the middle part axial along this taper bush is provided with cylinder pin hole, is respectively equipped with bolt hole in the both sides of this cylinder pin hole; The bolt of locating, being screwed in described bolt hole by the straight pin that plugs in described cylinder pin hole between lobe and the lobe is mutually affixed with it.
4. rolling bearings of ball mill lining as claimed in claim 3, it is characterized in that: described T-shaped flange plate consists of by the card of ring-type with at the round platform of this card inner periphery to a side projection; This T-shaped flange plate is divided into the 2-6 lobe, and lobe and lobe connecting part are positioned at the outer periphery of described round platform; The relative position that joins at lobe and lobe is provided with through hole and interior threaded hole; Pass described through hole by bolt and be screwed in the described interior threaded hole, with splicing is fixing mutually between the lobe of described T-shaped flange plate and the lobe.
5. rolling bearings of ball mill lining as claimed in claim 4, it is characterized in that: described T-shaped flange plate is divided into the T-shaped flange plate of stub end and the T-shaped flange plate of little head end that structure is identical, the card external diameter is different.
6. rolling bearings of ball mill lining as claimed in claim 5 is characterized in that: be respectively equipped with a ring through hole and a circle interior threaded hole on the card of described T-shaped flange plate; The big end surface of described taper bush respectively is provided with the circle interior threaded hole corresponding with the through hole on the described T-shaped flange plate with little end surface, and is affixed with the T-shaped flange plate card of described stub end and the T-shaped flange plate card of described little head end respectively by bolt.
7. such as each described rolling bearings of ball mill lining of claim 1-6, it is characterized in that: the endoporus of described taper bush is offered groove in the circumferential direction of the circle or axially, groove be shaped as ring-type or rectangular-shaped.
8. rolling bearings of ball mill lining as claimed in claim 7, it is characterized in that: described ring-type or rectangular-shaped groove groove depth account for the 1/4/-2/3 of described taper bush average thickness, the overall width of annular recess accounts for described taper bush 1/10-1/2 along the axial length, and the overall width of described rectangular-shaped groove accounts for the 1/10-1/2 of described taper bush inner circle girth.
9. such as each described rolling bearings of ball mill lining of claim 1-6, it is characterized in that: have a plurality of columniform blind holes on the cambered surface of described taper bush endoporus, the spacing between adjacent two blind holes equates.
10. rolling bearings of ball mill lining as claimed in claim 9 is characterized in that: the diameter 20 ~ 200mm in described blind hole; The degree of depth is 1/4～2/3 of described taper bush average thickness; The area of a circle summation in all blind holes is less than 1/2 of described taper bush endoporus cylinder area; Spacing between adjacent two blind holes is greater than the diameter in described blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491837.7U CN202867565U (en) | 2012-09-25 | 2012-09-25 | Rolling bearing sleeve for ball grinding mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491837.7U CN202867565U (en) | 2012-09-25 | 2012-09-25 | Rolling bearing sleeve for ball grinding mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867565U true CN202867565U (en) | 2013-04-10 |
Family
ID=48034287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220491837.7U Expired - Lifetime CN202867565U (en) | 2012-09-25 | 2012-09-25 | Rolling bearing sleeve for ball grinding mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN202867565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10086379B2 (en) | 2015-02-27 | 2018-10-02 | Aaron Engineered Process Equipment, Inc. | Rotary mill |
| US10493464B2 (en) | 2014-12-18 | 2019-12-03 | Aaron Engineered Process Equipment, Inc. | Rotary mill |
-
2012
- 2012-09-25 CN CN201220491837.7U patent/CN202867565U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10493464B2 (en) | 2014-12-18 | 2019-12-03 | Aaron Engineered Process Equipment, Inc. | Rotary mill |
| US10086379B2 (en) | 2015-02-27 | 2018-10-02 | Aaron Engineered Process Equipment, Inc. | Rotary mill |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |