CN106286611A - A kind of new-type rolling bearing units - Google Patents
A kind of new-type rolling bearing units Download PDFInfo
- Publication number
- CN106286611A CN106286611A CN201610853536.7A CN201610853536A CN106286611A CN 106286611 A CN106286611 A CN 106286611A CN 201610853536 A CN201610853536 A CN 201610853536A CN 106286611 A CN106286611 A CN 106286611A
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- China
- Prior art keywords
- rear side
- bearing
- front side
- end cap
- spacer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2229/00—Setting preload
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a kind of new-type rolling bearing units, its bearing mounting base, end cap is fixed in the front side being screwed on bearing mounting base respectively, rear side fixes end cap, setting-in front end bearing, bearing inner race spacer, rear end bearing, bearing set outer ring, bearing inner race spacer periphery spacer in the bearing mounting hole of bearing mounting base;Inner ring hold-down ring on front side of setting-in in the front side end cap through hole of the fixing end cap in front side, spring on front side of installing is fixed between end cap in front side inner ring hold-down ring and front side, inner ring hold-down ring on rear side of setting-in in the rear side end cap through hole of the fixing end cap of rear side, rear side inner ring hold-down ring and rear side fix between end cap spring on rear side of installing;Bearing outer ring spacer includes outer ring, forward and backward side spacer, and molding pretension oil pressure chamber between rear side spacer extension and the bearing mounting hole inwall of spacer leading section, rear side outer ring, bearing mounting base offers oil through.The present invention can regulate bearing pre-fastening according to different rotating speeds, with the demand of satisfied adaptation different rotating speeds, novel in structural design.
Description
Technical field
The present invention relates to technical field of bearings, particularly relate to a kind of new-type rolling bearing units.
Background technology
As the bearing arrangement of a kind of important kind, rolling bearing units are widely used in plant equipment;Wherein, usher to seat axle
Hold and coordinate with corresponding rotary shaft and rolling bearing units are for the end of supporting rotating shaft.
The rolling bearing units of existence form various kinds in prior art;But, for existing rolling bearing units, it can only be fitted
For specific rotation speeds scope, adaptability is poor.
Summary of the invention
Present invention aims to the deficiencies in the prior art and a kind of new-type rolling bearing units are provided, this new-type axle of usheing to seat
Bearing structure is novel in design and can effectively regulate bearing pre-fastening, with the demand of satisfied adaptation different rotating speeds.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of new-type rolling bearing units, include bearing mounting base, the core of bearing mounting base offer before and after completely through
Bearing mounting hole, the front end face of bearing mounting base is screwed with the front side in toroidal at the front opening of bearing mounting hole
Fixing end cap, front side fix before and after the core of end cap offers completely through and the front side end cap coaxially arranged with bearing mounting hole
Through hole, front side is fixed the rear end face of end cap and is provided with outside the front side protruded backwards in the edge of front side end cap through hole back-end opening part
Circle shoulder block, the rear end face of bearing mounting base is screwed with the fixing end of the rear side in toroidal at the open rearward end of bearing mounting hole
Lid, rear side fix before and after the core of end cap offers completely through and the rear side end cap through hole coaxially arranged with bearing mounting hole,
The front end face of the fixing end cap of rear side edge at rear side end cap through hole front opening is provided with the rear side outer ring gear protruded forward
Shoulder, fixes end cap in front side in bearing mounting hole and rear side is fixed and is embedded with the front end axle arranged the most successively between end cap
Hold, bearing inner race spacer, rear end bearing, the periphery of bearing inner race spacer is set with bearing outer ring spacer, and end cap is fixed in front side
Outer ring, front side shoulder block touches with the outer ring of front end bearing, and the outer ring of rear side outer ring shoulder block and rear end bearing that rear side fixes end cap is touched
Connect;
Being embedded with the front side inner ring hold-down ring in toroidal in the front side end cap through hole of the fixing end cap in front side, front side inner ring compresses
The outer circle wall of ring is provided with the front side hold-down ring shoulder block radially protruding extension, and the inner peripheral wall of front side end cap through hole is in front
The front of side compression ring shoulder block is provided with front side end cap block face, is equiped with between front side end cap block face and front side hold-down ring shoulder block
Front side spring, the leading section of front side spring, rearward end front side end cap block face, front side hold-down ring shoulder block with corresponding side respectively supports
Connecing, the rear end face of front side inner ring hold-down ring touches with the inner ring of front end bearing;The rear side end cap through hole of the fixing end cap of rear side is embedded
Equipped with the rear side inner ring hold-down ring in toroidal, the outer circle wall of rear side inner ring hold-down ring is provided with and radially protrudes extension
Rear side hold-down ring shoulder block, the inner peripheral wall of rear side end cap through hole is provided with rear side end cap in the rear end side of rear side hold-down ring shoulder block
Block face, is equiped with rear side spring, the leading section of rear side spring, rear end part between rear side end cap block face and rear side hold-down ring shoulder block
Do not abut with rear side hold-down ring shoulder block, the rear side end cap block face of corresponding side, the front end face of rear side inner ring hold-down ring and rear end bearing
Inner ring touch;
Bearing outer ring spacer includes outer ring, front side spacer, is positioned at the rear side outer ring spacer of outer ring, front side spacer rear end side, front side
The front end face of outer ring spacer touches with the outer ring of front end bearing, and the rear end face of rear side outer ring spacer touches with the outer ring of rear end bearing
Connecing, the rearward end of outer ring, front side spacer is provided with the axis direction along bearing mounting hole and protrudes the front side spacer of extension backwards and prolong
Extending portion, the axis direction that the leading section of rear side outer ring spacer is provided with along bearing mounting hole protrudes extension forward and is positioned at front side
The rear side spacer extension of the outer side of spacer extension, form between rear side spacer extension and the inwall of bearing mounting hole in
The pretension oil pressure chamber of toroidal, the outer surface of bearing mounting base offers the oil through connected with pretension oil pressure chamber.
Wherein, it is installed with rubber seal between described front side spacer extension and described rear side spacer extension.
Wherein, between outer circle wall and the inwall of described bearing mounting hole of outer ring, described front side spacer, outside described rear side
Rubber seal it is installed with respectively between outer circle wall and the bearing mounting hole of circle spacer.
Wherein, described front side inner ring hold-down ring, described rear side inner ring hold-down ring are respectively wolfram steel hold-down ring.
The invention have the benefit that the new-type rolling bearing units of one of the present invention, its bearing mounting base front end face spiral shell
Fixing end cap on front side of dress, front side is fixed end cap core and is offered front side end cap through hole, fixing on rear side of bearing mounting base rear end face spiral shell dress
End cap, rear side is fixed end cap core and is offered rear side end cap through hole, fixes end in the bearing mounting hole of bearing mounting base in forward and backward side
Be embedded between lid arrange the most successively front end bearing, bearing inner race spacer, rear end bearing, bearing inner race spacer periphery overlap
Dress bearing outer ring spacer;Inner ring hold-down ring on front side of being embedded in the end cap through hole of front side, the front side end of front side end cap through hole inner peripheral wall
On rear side of being embedded in spring, rear side end cap through hole on front side of installing between the front side hold-down ring shoulder block of lid block face and front side inner ring hold-down ring
Inner ring hold-down ring, the rear side end cap block face of rear side end cap through hole inner peripheral wall and the rear side hold-down ring shoulder block of rear side inner ring hold-down ring
Between installing on front side of spring;Bearing outer ring spacer includes outer ring, forward and backward side spacer, outer ring, front side spacer rearward end arrange front side every
Set extension, spacer leading section, rear side outer ring arranges rear side spacer extension, and rear side spacer extension is interior with bearing mounting hole
Molding pretension oil pressure chamber between wall, bearing mounting base outer surface offers oil through.Being designed by said structure, the present invention can root
Bearing pre-fastening is regulated, with the demand of satisfied adaptation different rotating speeds, novel in structural design according to different rotating speeds.
Accompanying drawing explanation
Below with accompanying drawing, the present invention is further detailed, but the embodiment in accompanying drawing is not constituted this
Bright any restriction.
Fig. 1 is the structural representation of the present invention.
Include in FIG:
1 bearing mounting base 11 bearing mounting hole
End cap is fixed on front side of 12 oil throughs 21
Outer ring shoulder block on front side of end cap through hole 212 on front side of in the of 211
End cap is fixed on rear side of end cap block face 22 on front side of in the of 213
Outer ring shoulder block on rear side of end cap through hole 222 on rear side of in the of 221
End cap block face 31 front end bearing on rear side of in the of 223
32 rear end bearing 41 bearing inner race spacers
Outer ring spacer on front side of 42 bearing outer ring spacers 421
Outer ring spacer on rear side of spacer extension 422 on front side of in the of 4211
Inner ring hold-down ring on front side of spacer extension 51 on rear side of in the of 4221
Inner ring hold-down ring on rear side of hold-down ring shoulder block 52 on front side of in the of 511
Spring on front side of hold-down ring shoulder block 61 on rear side of in the of 521
Spring 7 pretension oil pressure chamber on rear side of in the of 62
8 rubber seal.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described.
As it is shown in figure 1, a kind of new-type rolling bearing units, including bearing mounting base 1, the core of bearing mounting base 1 offers
Front and back completely through bearing mounting hole 11, the front end face of bearing mounting base 1 at the front opening of bearing mounting hole 11 spiral shell dress
Have the front side in toroidal to fix end cap 21, front side fix before and after the core of end cap 21 offers completely through and pacify with bearing
The front side end cap through hole 211 that dress hole 11 is coaxially arranged, front side is fixed the rear end face of end cap 21 and is opened in end cap through hole 211 rear end, front side
Edge at Kou is provided with outer ring, the front side shoulder block 212 protruded backwards, and the rear end face of bearing mounting base 1 is in bearing mounting hole 11
Being screwed with the rear side in toroidal at open rearward end and fix end cap 22, rear side is fixed the core of end cap 22 and is offered the most completely
Running through and the rear side end cap through hole 221 coaxially arranged with bearing mounting hole 11, rear side fixes the front end face of end cap 22 in rear side end
Edge at lid through hole 221 front opening is provided with the rear side outer ring shoulder block 222 protruded forward, in front side in bearing mounting hole 11
Fixing end cap 21 and rear side are fixed and are embedded with front end bearing 31, the bearing inner race spacer arranged the most successively between end cap 22
41, rear end bearing 32, the periphery of bearing inner race spacer 41 is set with bearing outer ring spacer 42, and front side is fixed outside the front side of end cap 21
Circle shoulder block 212 touches with the outer ring of front end bearing 31, and rear side fixes rear side outer ring shoulder block 222 and the rear end bearing 32 of end cap 22
Outer ring touches.
Further, front side is embedded with the front side inner ring in toroidal in fixing the front side end cap through hole 211 of end cap 21
Hold-down ring 51, the outer circle wall of front side inner ring hold-down ring 51 is provided with the front side hold-down ring shoulder block 511 radially protruding extension,
The inner peripheral wall of front side end cap through hole 211 is provided with front side end cap block face 213 in the front of front side hold-down ring shoulder block 511, front
Front side spring 61, the leading section of front side spring 61, rear end it is equiped with between side end cap block face 213 and front side hold-down ring shoulder block 511
Portion abuts with front side end cap block face 213, the front side hold-down ring shoulder block 511 of corresponding side respectively, the rear end of front side inner ring hold-down ring 51
Face touches with the inner ring of front end bearing 31;It is embedded with in toroidal in the rear side end cap through hole 221 of the fixing end cap 22 of rear side
Rear side inner ring hold-down ring 52, the outer circle wall of rear side inner ring hold-down ring 52 is provided with the rear side hold-down ring radially protruding extension
Shoulder block 521, the inner peripheral wall of rear side end cap through hole 221 is provided with rear side end cap gear in the rear end side of rear side hold-down ring shoulder block 521
Face 223, is equiped with rear side spring 62, the front end of rear side spring 62 between rear side end cap block face 223 and rear side hold-down ring shoulder block 521
Portion, rearward end abut with rear side hold-down ring shoulder block 521, the rear side end cap block face 223 of corresponding side respectively, rear side inner ring hold-down ring 52
The inner ring of front end face and rear end bearing 32 touch.Wherein, front side inner ring hold-down ring 51, rear side inner ring hold-down ring 52 are respectively adopted
Wolfram steel material is prepared from, i.e. front side inner ring hold-down ring 51, rear side inner ring hold-down ring 52 is respectively wolfram steel hold-down ring, uses wolfram steel
Front side inner ring hold-down ring 51 that material is prepared from, rear side inner ring hold-down ring 52 just have anti-wear performance good and length in service life excellent
Point.
Further, after bearing outer ring spacer 42 includes front side outer ring spacer 421, is positioned at outer ring, front side spacer 421
The rear side outer ring spacer 422 of side, the front end face of outer ring, front side spacer 421 touches with the outer ring of front end bearing 31, rear side outer ring
The rear end face of spacer 422 touches with the outer ring of rear end bearing 32, and the rearward end of outer ring, front side spacer 421 is provided with pacifies along bearing
The axis direction in dress hole 11 protrudes the front side spacer extension 4211 of extension backwards, and the leading section of rear side outer ring spacer 422 is arranged
The axis direction along bearing mounting hole 11 is had to protrude extension forward and be positioned at the rear side of the outer side of spacer extension 4211, front side
Spacer extension 4221, form in toroidal between rear side spacer extension 4221 and the inwall of bearing mounting hole 11 is pre-
Tight oil pressure chamber 7, the outer surface of bearing mounting base 1 offers the oil through 12 connected with pretension oil pressure chamber 7.
Need to be explained further, for ensureing the sealing in pretension oil pressure chamber 7, front side spacer extension 4211 prolongs with rear side spacer
Be installed with rubber seal 8 between extending portion 4221, the outer circle wall of outer ring, front side spacer 421 and the inwall of bearing mounting hole 11 it
Between, be installed with rubber seal 8 respectively between the outer circle wall of rear side outer ring spacer 422 and bearing mounting hole 11.
During the present invention uses, hold-down ring shoulder block 511 make front side inner ring on front side of the elastic pushing tow of front side spring 61
Hold-down ring 51 compresses the inner ring of front end bearing 31 backwards, after rear side spring 62 elastic top postpones side compression ring shoulder block 521 and makes
Side inner ring hold-down ring 52 compresses the inner ring of rear end bearing 32 forward, in front side spring 61, the elastic compression effect of rear side spring 62
Under, the inner ring of front end bearing 31, bearing inner race spacer 41, the inner ring of rear end bearing 32 be clamped in front side inner ring hold-down ring 51, after
Between side inner ring hold-down ring 52, i.e. the front end bearing 31 of the present invention, the inner ring of rear end bearing 32 passes through front side spring 61, rear side bullet
Spring 62 realizes pretension.
It addition, in work process of the present invention, the oil through 12 of bearing mounting base 1 is passed through hydraulic oil and hydraulic oil via logical
Oilhole 12 is passed through to pretension oil pressure chamber 7, the hydraulic oil in pretension oil pressure chamber 7 act on front side outer ring spacer 421, rear side outer ring every
Set 422, outer ring, front side spacer 421 compresses the outer ring of front end bearing 31 forward, and rear side outer ring spacer 422 compresses rear end bearing backwards
The outer ring of 32, the hydraulic oil being i.e. passed through to pretension oil pressure chamber 7 is front end bearing 31, the outer ring of rear end bearing 32 provides pretension to make
Firmly;It should further be noted that the present invention can by adjust pretension oil pressure chamber 7 oil pressure size realize front end bearing 31, after
The outer ring pretightning force regulation of end bearing 32, i.e. the present invention can regulate bearing pre-fastening according to different rotating speeds, with satisfied adaptation
The demand of different rotating speeds.
Summary situation understands, and is designed by said structure, and the present invention can regulate bearing pre-fastening effectively, with full
Foot adapts to the demand of different rotating speeds, i.e. the present invention has novel in structural design, controllability advantage strong, adaptable.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, the most all will change, and this specification content should not be construed as the present invention
Restriction.
Claims (4)
1. new-type rolling bearing units, it is characterised in that: including bearing mounting base (1), the core of bearing mounting base (1) is offered
Before and after having completely through bearing mounting hole (11), the front end face of bearing mounting base (1) is opened in the front end of bearing mounting hole (11)
Being screwed with the front side in toroidal at Kou and fix end cap (21), front side is fixed before and after the core of end cap (21) offers and is passed through completely
Wearing and front side end cap through hole (211) coaxially arranged with bearing mounting hole (11), the rear end face of end cap (21) is fixed in front in front side
Edge at side end cap through hole (211) open rearward end is provided with the outer ring, front side shoulder block (212) protruded backwards, bearing mounting base
(1) rear end face is screwed with the rear side in toroidal at the open rearward end of bearing mounting hole (11) and fixes end cap (22), after
Side fix before and after the core of end cap (22) offers completely through and the rear side end cap coaxially arranged with bearing mounting hole (11) lead to
Hole (221), rear side is fixed the front end face of end cap (22) edge at rear side end cap through hole (221) front opening and is provided with forward
Rear side outer ring shoulder block (222) protruded, fixes end cap (21) and fixes end cap (22) with rear side in front side in bearing mounting hole (11)
Between be embedded with arrange the most successively front end bearing (31), bearing inner race spacer (41), rear end bearing (32), in bearing
The periphery of circle spacer (41) is set with bearing outer ring spacer (42), front side fix the outer ring, front side shoulder block (212) of end cap (21) with
The outer ring of front end bearing (31) touches, and rear side is fixed outside rear side outer ring shoulder block (222) and the rear end bearing (32) of end cap (22)
Circle touches;
It is embedded with the front side inner ring hold-down ring in toroidal in front side end cap through hole (211) of the fixing end cap (21) in front side
(51), the outer circle wall of front side inner ring hold-down ring (51) is provided with front side hold-down ring shoulder block (511) radially protruding extension,
The inner peripheral wall of front side end cap through hole (211) is provided with front side end cap block face in the front of front side hold-down ring shoulder block (511)
(213), front side spring (61), front side spring it are equiped with between front side end cap block face (213) and front side hold-down ring shoulder block (511)
(61) leading section, rearward end abut with front side end cap block face (213), front side hold-down ring shoulder block (511) of corresponding side respectively, front
The rear end face of side inner ring hold-down ring (51) touches with the inner ring of front end bearing (31);The rear side end cap of the fixing end cap (22) of rear side leads to
Being embedded with rear side inner ring hold-down ring (52) in toroidal in hole (221), the outer circle wall of rear side inner ring hold-down ring (52) sets
Being equipped with rear side hold-down ring shoulder block (521) radially protruding extension, the inner peripheral wall of rear side end cap through hole (221) is in rear side pressure
The rear end side of tight ring shoulder block (521) is provided with rear side end cap block face (223), and rear side end cap block face (223) keeps off with rear side hold-down ring
Be equiped with rear side spring (62) between shoulder (521), the leading section of rear side spring (62), rearward end respectively with the rear side pressure of corresponding side
Tight ring shoulder block (521), rear side end cap block face (223) abut, the front end face of rear side inner ring hold-down ring (52) and rear end bearing (32)
Inner ring touch;
Bearing outer ring spacer (42) includes outer ring spacer, front side (421), is positioned at the rear side of outer ring, front side spacer (421) rear end side
Outer ring spacer (422), the front end face of outer ring, front side spacer (421) touches with the outer ring of front end bearing (31), rear side outer ring spacer
(422) rear end face touches with the outer ring of rear end bearing (32), and the rearward end of outer ring, front side spacer (421) is provided with along bearing
The axis direction of installing hole (11) protrudes front side spacer extension (4211) of extension backwards, before rear side outer ring spacer (422)
The axis direction that end is provided with along bearing mounting hole (11) protrudes extension forward and is positioned at front side spacer extension (4211)
Rear side spacer extension (4221) of outer side, becomes between rear side spacer extension (4221) and the inwall of bearing mounting hole (11)
Type has the pretension oil pressure chamber (7) in toroidal, and the outer surface of bearing mounting base (1) offers and connects with pretension oil pressure chamber (7)
Oil through (12).
The new-type rolling bearing units of one the most according to claim 1, it is characterised in that: described front side spacer extension (4211)
And it is installed with rubber seal (8) between described rear side spacer extension (4221).
The new-type rolling bearing units of one the most according to claim 2, it is characterised in that: outer ring, described front side spacer (421)
Between the inwall of outer circle wall and described bearing mounting hole (11), the outer circle wall of described rear side outer ring spacer (422) and bearing
Rubber seal (8) it is installed with respectively between installing hole (11).
The new-type rolling bearing units of one the most according to claim 3, it is characterised in that: described front side inner ring hold-down ring (51),
Described rear side inner ring hold-down ring (52) is respectively wolfram steel hold-down ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610853536.7A CN106286611B (en) | 2016-09-27 | 2016-09-27 | A kind of rolling bearing units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610853536.7A CN106286611B (en) | 2016-09-27 | 2016-09-27 | A kind of rolling bearing units |
Publications (2)
Publication Number | Publication Date |
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CN106286611A true CN106286611A (en) | 2017-01-04 |
CN106286611B CN106286611B (en) | 2019-02-26 |
Family
ID=57715281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610853536.7A Expired - Fee Related CN106286611B (en) | 2016-09-27 | 2016-09-27 | A kind of rolling bearing units |
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CN (1) | CN106286611B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113847354A (en) * | 2021-09-28 | 2021-12-28 | 珠海格力电器股份有限公司 | Low-noise vibration high-speed motor bearing adjustable pre-tightening device |
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US4476614A (en) * | 1980-10-09 | 1984-10-16 | Skf Kugellagerfabriken Gmbh | Method of adjusting a two row rolling bearing having adjustable prestress in the axial direction |
DE19946383A1 (en) * | 1999-09-28 | 2001-04-05 | Weck Manfred | Control unit for keeping constant axial force on bearing comprises component which generates large amount of force, e.g. hydraulic piston highly pretensioned spring between which outer ring of bearing is mounted |
US6357753B1 (en) * | 1999-03-16 | 2002-03-19 | Nippon Pillar Packing Co., Ltd. | Cartridge-type mechanical seal |
DE102004048720A1 (en) * | 2004-10-06 | 2006-04-13 | Fag Kugelfischer Ag & Co. Ohg | Ball bearing for main spindle of machine tool has inner ring with groove forming raceway and two outer rings with sloping surfaces forming raceway, sliding sleeve fitting over outer rings, which are spring-loaded against its rim |
CN2846005Y (en) * | 2005-12-21 | 2006-12-13 | 沈阳第一机床厂 | Constant prefastening force structure digital control machine tool main shaft |
CN102059357A (en) * | 2010-11-30 | 2011-05-18 | 无锡机床股份有限公司 | High-accuracy sleeve main shaft structure for machine tool |
CN102275134A (en) * | 2011-08-24 | 2011-12-14 | 濮阳贝英数控机械设备有限公司 | Roller dressing device and using method thereof |
CN203197257U (en) * | 2013-04-19 | 2013-09-18 | 广西工学院鹿山学院 | Real-time adjusting device for pre-tightening force of high-speed motorized spindle bearing |
-
2016
- 2016-09-27 CN CN201610853536.7A patent/CN106286611B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4476614A (en) * | 1980-10-09 | 1984-10-16 | Skf Kugellagerfabriken Gmbh | Method of adjusting a two row rolling bearing having adjustable prestress in the axial direction |
US6357753B1 (en) * | 1999-03-16 | 2002-03-19 | Nippon Pillar Packing Co., Ltd. | Cartridge-type mechanical seal |
DE19946383A1 (en) * | 1999-09-28 | 2001-04-05 | Weck Manfred | Control unit for keeping constant axial force on bearing comprises component which generates large amount of force, e.g. hydraulic piston highly pretensioned spring between which outer ring of bearing is mounted |
DE102004048720A1 (en) * | 2004-10-06 | 2006-04-13 | Fag Kugelfischer Ag & Co. Ohg | Ball bearing for main spindle of machine tool has inner ring with groove forming raceway and two outer rings with sloping surfaces forming raceway, sliding sleeve fitting over outer rings, which are spring-loaded against its rim |
CN2846005Y (en) * | 2005-12-21 | 2006-12-13 | 沈阳第一机床厂 | Constant prefastening force structure digital control machine tool main shaft |
CN102059357A (en) * | 2010-11-30 | 2011-05-18 | 无锡机床股份有限公司 | High-accuracy sleeve main shaft structure for machine tool |
CN102275134A (en) * | 2011-08-24 | 2011-12-14 | 濮阳贝英数控机械设备有限公司 | Roller dressing device and using method thereof |
CN203197257U (en) * | 2013-04-19 | 2013-09-18 | 广西工学院鹿山学院 | Real-time adjusting device for pre-tightening force of high-speed motorized spindle bearing |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113847354A (en) * | 2021-09-28 | 2021-12-28 | 珠海格力电器股份有限公司 | Low-noise vibration high-speed motor bearing adjustable pre-tightening device |
CN113847354B (en) * | 2021-09-28 | 2022-07-12 | 珠海格力电器股份有限公司 | Low-noise vibration high-speed motor bearing adjustable pre-tightening device |
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