CN107956796A - One kind positioning bearing - Google Patents

One kind positioning bearing Download PDF

Info

Publication number
CN107956796A
CN107956796A CN201711310695.3A CN201711310695A CN107956796A CN 107956796 A CN107956796 A CN 107956796A CN 201711310695 A CN201711310695 A CN 201711310695A CN 107956796 A CN107956796 A CN 107956796A
Authority
CN
China
Prior art keywords
inner ring
ring
tensioning
outer ring
lug
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.)
Withdrawn
Application number
CN201711310695.3A
Other languages
Chinese (zh)
Inventor
吴菊萍
王明波
金少华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINCHANG PEISI BEARING FITTINGS Co Ltd
Original Assignee
XINCHANG PEISI BEARING FITTINGS Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XINCHANG PEISI BEARING FITTINGS Co Ltd filed Critical XINCHANG PEISI BEARING FITTINGS Co Ltd
Priority to CN201711310695.3A priority Critical patent/CN107956796A/en
Publication of CN107956796A publication Critical patent/CN107956796A/en
Withdrawn legal-status Critical Current

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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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664—Retaining the liquid in or near the bearing

Abstract

One kind positioning bearing, technical field of bearings, including the first inner ring, the second inner ring, ball, retainer, the first outer ring and the second outer ring；The first inner ring left and right ends are both provided with flare openings, and the first inner ring inner wall and tensioning block outer wall fit；The tensioning block includes the upper tensioning half block being mutually inserted and lower tensioning half block；The upper tensioning half block is provided at both ends with flange；The lower tensioning half block both ends offer the locating slot being adapted with flange；The flange is inserted in locating slot；Bolt is equipped between two pieces of tensioning blocks；Fixed after screw bolt passes tensioning block with nut.Two pieces of first inner rings of tensioning block sandwiched, so that this bearing to be fixedly installed in the shaft of different-diameter, play the role of positioning.

Description

One kind positioning bearing
Technical field
The invention belongs to technical field of bearings, and in particular to for a kind of positioning bearing.
Background technology
Ball bearing is one kind of rolling bearing, and spherical alloy steel ball is installed on to the centre of interior steel ring and outer rim, with The mode of rolling reduces the frictional force in power transmission process, improves the transmission efficiency of machine power.Ball bearing cannot be held It is relatively conventional in light indusqtry machinery field by larger heavy load.
When bearing inner race is sheathed on rotation axis, it is difficult to ensure that the internal diameter of inner ring and the outside diameter of rotation axis are adapted.Such as The inner wall of fruit inner ring fails to fit closely rotation axis, then the opposite slip of inner ring and rotation axis is be easy to cause, so as to can not ensure The normal work of bearing.
Therefore, it is necessary to a kind of bearing is provided, to overcome above-mentioned deficiency.
The content of the invention
It is an object of the invention to overcome the defects of mentioned above and deficiency, and provide a kind of positioning bearing.
One kind positioning bearing, including the first inner ring, the second inner ring, ball, retainer, the first outer ring and the second outer ring；Institute State the first inner ring, the second inner ring, the concentric setting in the first outer ring and the second outer ring；Second inner ring is sheathed on outside the first inner ring Portion, and the first inner ring, the second inner ring gap setting form interior shoe cream room；First outer ring is sheathed on outside the second inner ring, and Ball and retainer are provided between first outer ring and the second inner ring；The ball is embedded at retainer；The second outer snare Outside the first outer ring, and the first outer ring and the second outer ring gap setting form outer shoe cream room；The outer wall of second inner ring Raceway is both provided with the inner wall of the first outer ring；The first inner ring both sides are mounted on tensioning block；The tensioning block is in hollow It is round table-like；The first inner ring left and right ends are both provided with flare openings, and the first inner ring inner wall and tensioning block outer wall phase Fitting；The tensioning block includes the upper tensioning half block being mutually inserted and lower tensioning half block；The upper tensioning half block is provided at both ends with Flange；The lower tensioning half block both ends offer the locating slot being adapted with flange；The flange is inserted in locating slot；Two pieces Bolt is equipped between tight block；Fixed after screw bolt passes tensioning block with nut.
The first inner ring both sides are both provided with the cricoid first lug of footpath convex, and first lug cross section is L-shape, The second inner ring both sides are arranged in first lug；Corral sets out interior shoe cream room in first inner ring, first lug and second； Second outer ring both sides are both provided with cricoid second lug of radial direction convex, and the second lug cross section is L-shape, and described first Outer ring both sides are arranged in the second lug；Second outer ring, the second lug and the first outer corral set out outer shoe cream room；Described first Inner ring both sides are mounted on tensioning block；The tensioning block is in hollow round table-like；The first inner ring left and right ends are both provided with Flare openings, and the first inner ring inner wall and tensioning block outer wall fit；The tensioning block includes the upper tensioning half being mutually inserted Block and lower tensioning half block；The upper tensioning half block is provided at both ends with flange；The lower tensioning half block both ends offer and flange phase The locating slot of adaptation；The flange is inserted in locating slot；Bolt is equipped between two pieces of tensioning blocks；Screw bolt passes tensioning block Fixed afterwards with nut.
First inner ring offers the first oil filler point；Second outer ring offers the second oil filler point.
The retainer includes retaining ring and the holding rod being wholely set；The retaining ring is in hollow ring-type；The guarantor The equidistant axial arranging of bar is held in retaining ring side, the gap of adjacent holding rod is less than the diameter of ball；Before and after the holding rod Both sides set fluted；The radius of circular arc where the groove is equal or slightly larger than ball bearing radius.
The holding rod inboard width is less than outside width；The cross section of the holding rod is in inverted isosceles trapezoid.
One kind positioning bearing, further includes in circular spacer ferrule；The inner wall of the holding rod free end is provided with positioning Groove；The spacer ferrule is embedded at locating slot；The spacer ferrule internal diameter is not less than holding rod internal diameter.
The spacer ferrule is formed by two circle of iron plate winding of strip.
Two pieces of first inner rings of tensioning block sandwiched, so that this bearing to be fixedly installed in the shaft of different-diameter, play positioning Effect.
Lubricating oil is stored in the interior shoe cream room and outer shoe cream room of this bearing, plays the role of flexible carrying.When this bearing When being subject to the active force of radial direction, hydraulic energy flexible support, so as to relax the accidental loads of radial direction, reduces the abrasion of bearing, extends The service life of bearing.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of tensioning block；
Fig. 3 is to maintain the structure diagram of frame；
In figure：First inner ring 1, first lug 1a, the first oil filler point 1b, interior shoe cream room 2, the second inner ring 3, ball 4, retainer 5, Retaining ring 5a, holding rod 5b, locating slot 5c, spacer ferrule 5d, groove 5e, raceway 6, the first outer ring 7, outer shoe cream room 8, the second outer ring 9th, the second lug 9a, the second oil filler point 9b；Tensioning block 10, upper tensioning half block 10a, flange 10b, lower tensioning half block 10c, locating slot 10d, bolt 11.
Embodiment
Below in conjunction with the accompanying drawings, this patent is described in further detail.
One kind positioning bearing, including the first inner ring 1, the second inner ring 3, ball 4, retainer 5, outside the first outer ring 7 and second Circle 9；First inner ring 1, the 9 concentric setting of the second inner ring 3, the first outer ring 7 and the second outer ring；Second inner ring 3 is arranged Outside the first inner ring 1, and the first inner ring 1,3 gap setting of the second inner ring form interior shoe cream room 2；First outer ring 7 is arranged Outside the second inner ring 3, and ball 4 and retainer 5 are provided between the first outer ring 7 and the second inner ring 3；The ball 4 is embedded In retainer 5；Second outer ring 9 is sheathed on outside the first outer ring 7, and the first outer ring 7 and 9 gap setting of the second outer ring are formed Outer shoe cream room 8；The outer wall of second inner ring 3 and the inner wall of the first outer ring 7 are both provided with raceway 6；First inner ring, 1 both sides It is mounted on tensioning block 10；The tensioning block 10 is in hollow round table-like；First inner ring, 1 left and right ends are both provided with loudspeaker Shape opening, and 1 inner wall of the first inner ring and 10 outer wall of tensioning block fit；The tensioning block 10 includes the upper tensioning half being mutually inserted Block 10a and lower tensioning half block 10c；The upper tensioning half block 10a is provided at both ends with flange 10b；The lower tensioning half block 10c both ends Offer the locating slot 10d being adapted with flange 10b；The flange 10b is inserted in locating slot 10d；Between two pieces of tensioning blocks 10 It is equipped with bolt 11；Bolt 11 is fixed after sequentially passing through tensioning block 10 with nut.
Two pieces of 8 first inner rings of sandwiched 1 of tensioning block, so that this bearing to be fixedly installed in the shaft of different-diameter.Pass through tune Whole flange 8b is inserted in the depth of locating slot 8d, to adjust the internal diameter of tensioning block 8, to adapt to the shaft of different-diameter.
Lubricating oil is stored in interior shoe cream room 2 and outer shoe cream room 8, plays the role of flexible carrying.When this bearing is subject to footpath To active force when, hydraulic energy flexible support, so as to relax the accidental loads of radial direction, reduces the abrasion of bearing, extends bearing Service life.
First inner ring, 1 both sides are both provided with the cricoid first lug 1a of footpath convex, first lug 1a cross sections L-shape, 3 both sides of the second inner ring are arranged in first lug 1a；First inner ring 1, first lug 1a and the second inner ring 3 enclose Set out interior shoe cream room 2；Second outer ring, 9 both sides are both provided with the cricoid second lug 9a, the second lug 9a of radial direction convex Cross section is L-shape, and 7 both sides of the first outer ring are arranged in the second lug 9a；Second outer ring 9, the second lug 9a and first Outer ring 7, which is enclosed, sets out outer shoe cream room 8.
First lug 1a and the second lug 9a each serves as the first inner ring 1 of connection and the second inner ring 3, the first outer ring 7 and the The effect of two outer rings 9.Second inner ring 3 can do the local displacement of radial direction relative to the first inner ring 1, play the work of buffering and fine setting With.Similarly, the first outer ring 7 can do the local displacement of radial direction relative to the second outer ring 9, play the role of buffering and fine setting.
First inner ring 1 offers the first oil filler point 1b；Second outer ring 9 offers the second oil filler point 9b.Hydraulic pressure Oil enters the first oil filler point 1b by the first oil filler point 1b, and outer shoe cream room 8 is entered by the second oil filler point 9b.
The retainer 5 includes retaining ring 5a, the holding rod 5b being wholely set and in circular spacer ferrule 5d.
The retaining ring 5a is in hollow ring-type；The equidistant axial arrangings of holding rod 5b are in retaining ring 5a sides, phase The gap of adjacent holding rod 5b is less than the diameter of ball 4；The holding rod 5b front and rear sides set fluted 5e；The groove 5e institutes The radius of circular arc be equal or slightly larger than 4 radius of ball.
The holding rod 5b inboard widths are less than outside width；The cross section of the holding rod 5b is in inverted isosceles ladder Shape, the holding power of larger radial direction is provided for retainer 5.
The inner wall of the holding rod 5b free ends is provided with locating slot 5c；The spacer ferrule 5d is embedded at locating slot 5c；Institute State spacer ferrule 5d internal diameters and be not less than holding rod 5b internal diameters.The spacer ferrule 5d is formed by two circle of iron plate winding of strip.Positioning The setting of 5d is bound round, on the one hand prevents ball 4 from unexpectedly jumping out, on the other hand, plays the role of opening holding rod 5b, is holding rod The free end of 5b provides holding power, meanwhile, it ensure that the free end of all holding rod 5b is substantially on same circumference.
The structure of retaining ring 5a is respectively provided with relative to holding rod 5b both ends, this retainer can save material and cost, reduce The weight of bearing, while be conducive to the assembling of ball 4 and retainer 5.
The present invention is illustrated according to embodiment, on the premise of present principles are not departed from, if the present apparatus can also make Dry modification and improvement.It should be pointed out that all technical solutions obtained using modes such as equivalent substitution or equivalent transformations, all fall within this In the protection domain of invention.

Claims (7)

1. one kind positioning bearing, it is characterised in that including the first inner ring（1）, the second inner ring（3）, ball（4）, retainer（5）、 First outer ring（7）With the second outer ring（9）；First inner ring（1）, the second inner ring（3）, the first outer ring（7）With the second outer ring（9） Concentric setting；Second inner ring（3）It is sheathed on the first inner ring（1）Outside, and the first inner ring（1）, the second inner ring（3）Gap Shoe cream room in being formed is set（2）；First outer ring（7）It is sheathed on the second inner ring（3）Outside, and the first outer ring（7）With second Inner ring（3）Between be provided with ball（4）And retainer（5）；The ball（4）It is embedded at retainer（5）；Second outer ring （9）It is sheathed on the first outer ring（7）Outside, and the first outer ring（7）With the second outer ring（9）Gap setting forms outer shoe cream room（8）；Institute State the second inner ring（3）Outer wall and the first outer ring（7）Inner wall be both provided with raceway（6）；First inner ring（1）Pacify both sides Equipped with tensioning block（10）；The tensioning block（10）In hollow round table-like；First inner ring（1）Left and right ends are both provided with loudspeaker Shape opening, and the first inner ring（1）Inner wall and tensioning block（10）Outer wall fits；The tensioning block（10）Including what is be mutually inserted Upper tensioning half block（10a）With lower tensioning half block（10c）；The upper tensioning half block（10a）It is provided at both ends with flange（10b）；It is described Lower tensioning half block（10c）Both ends offer and flange（10b）Adaptable locating slot（10d）；The flange（10b）It is fixed to be inserted in Position groove（10d）；Two pieces of tensioning blocks（10）Between be equipped with bolt（11）；Bolt（11）Sequentially pass through tensioning block（10）After use nut It is fixed.
A kind of 2. positioning bearing as claimed in claim 1, it is characterised in that first inner ring（1）Both sides are both provided with footpath The cricoid first lug of convex（1a）, first lug（1a）Cross section is L-shape, second inner ring（3）Both sides are arranged in First lug（1a）；First inner ring（1）, first lug（1a）With the second inner ring（3）Enclose and set out interior shoe cream room（2）；It is described Second outer ring（9）Both sides are both provided with cricoid second lug of radial direction convex（9a）, the second lug（9a）Cross section is L-shape, First outer ring（7）Both sides are arranged in the second lug（9a）；Second outer ring（9）, the second lug（9a）With the first outer ring （7）Enclose and set out outer shoe cream room（8）.
A kind of 3. positioning bearing as claimed in claim 1, it is characterised in that first inner ring（1）Offer the first oiling Hole（1b）；Second outer ring（9）Offer the second oil filler point（9b）.
A kind of 4. positioning bearing as claimed in claim 1, it is characterised in that the retainer（5）Including the guarantor being wholely set Held in ring（5a）And holding rod（5b）；The retaining ring（5a）In hollow ring-type；The holding rod（5b）Equidistant axial arranging In retaining ring（5a）Side, adjacent holding rod（5b）Gap be less than ball（4）Diameter；The holding rod（5b）Front and rear sides Set fluted（5e）；The groove（5e）The radius of the circular arc at place is equal or slightly larger than ball（4）Radius.
A kind of 5. positioning bearing as claimed in claim 4, it is characterised in that the holding rod（5b）Inboard width is less than outer Side width；The holding rod（5b）Cross section be in inverted isosceles trapezoid.
6. a kind of positioning bearing as claimed in claim 4, it is characterised in that further include in circular spacer ferrule（5d）；Institute State holding rod（5b）The inner wall of free end is provided with locating slot（5c）；The spacer ferrule（5d）It is embedded at locating slot（5c）；It is described Spacer ferrule（5d）Internal diameter is not less than holding rod（5b）Internal diameter.
A kind of 7. positioning bearing as claimed in claim 6, it is characterised in that the spacer ferrule（5d）Rolled up by the iron plate of strip Formed around two circles.
CN201711310695.3A 2017-12-11 2017-12-11 One kind positioning bearing Withdrawn CN107956796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711310695.3A CN107956796A (en) 2017-12-11 2017-12-11 One kind positioning bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711310695.3A CN107956796A (en) 2017-12-11 2017-12-11 One kind positioning bearing

Publications (1)

Publication Number Publication Date
CN107956796A true CN107956796A (en) 2018-04-24

Family

ID=61958681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711310695.3A Withdrawn CN107956796A (en) 2017-12-11 2017-12-11 One kind positioning bearing

Country Status (1)

Country Link
CN (1) CN107956796A (en)

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180424

WW01 Invention patent application withdrawn after publication