CN207406633U - The combination bearing of elevator dish traction machine - Google Patents
The combination bearing of elevator dish traction machine Download PDFInfo
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- CN207406633U CN207406633U CN201720952153.5U CN201720952153U CN207406633U CN 207406633 U CN207406633 U CN 207406633U CN 201720952153 U CN201720952153 U CN 201720952153U CN 207406633 U CN207406633 U CN 207406633U
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Abstract
The utility model is related to field of bearings, the combination bearings of elevator dish traction machine, including bearing inner race and the clutch shaft bearing outer ring being located on the bearing inner race and second bearing outer ring；The clutch shaft bearing outer ring and the axial direction of second bearing outer ring along bearing inner race close up setting；Radial direction cylindrical roller component between clutch shaft bearing outer ring and bearing inner race is installed, ball bearing assembly is installed between second bearing outer ring and bearing inner race；The first sealing ring is equipped between the clutch shaft bearing outer ring and the axial outer end portion of bearing inner race；The second sealing ring is equipped between the second bearing outer ring and the axial outer end portion of bearing inner race, the combination bearing predominantly designs for the machinery such as elevator traction machine, since radial load and axial load can be born simultaneously, especially rotating speed is higher and there are the occasions of larger axial load again, assembly and disassembly are simple, and bearing capacity is very strong.Meanwhile the sealing effect of the combination bearing is good, ensure that bearing not leakage embellishing consistent lubricant in the running.
Description
Technical field
The utility model is related to field of bearings more particularly to a kind of combination bearings of elevator dish traction machine.
Background technology
Bearing be it is a kind of apply on rotating mechanism, for supporting, reduce friction and bear load component.Elevator drags
It is a kind of machinery needed using larger radial load and journal for axial load to draw machine, domestic at present mainly to use a set of deep-groove ball
Bearing and a set of NU types cylinder roller bearing meet duty requirements, but axial load is extremely difficult to require, and radial load is also only
Requirement can be reached reluctantly, and due to two sets of bearing inner ring interior diameters and rolling（Ditch）Road size makes bearing there are scattered error and concentricity etc.
The noise that gets into smooth is larger, and bearing seal effect is also poor.
The content of the invention
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of combination bearing, the combination bearing is main
For be used for elevator traction machine etc. machinery design, due to can bear simultaneously radial load and axial load, especially rotating speed compared with
High and again there are the occasion of larger axial load, assembly and disassembly are simple, and bearing capacity is very strong.Meanwhile the sealing effect of the combination bearing
It is good, it ensure that bearing not leakage embellishing consistent lubricant in the running.
In order to realize above-mentioned purpose, the utility model employs following technical solution：
The combination bearing of elevator dish traction machine, it is characterised in that：Including bearing inner race and it is located in the bearing
Clutch shaft bearing outer ring and second bearing outer ring on circle；The clutch shaft bearing outer ring and axis of the second bearing outer ring along bearing inner race
Close up setting to direction；Radial direction cylindrical roller component, second bearing outer ring are installed between clutch shaft bearing outer ring and bearing inner race
Ball bearing assembly is installed between bearing inner race；
The first sealing ring is equipped between the clutch shaft bearing outer ring and the axial outer end portion of bearing inner race；First sealing ring bag
The first seal for including the first steel skeleton and being coated on the outside of the first steel skeleton；The radial inner end of first seal
It is upper to include the first radial seal lip and first axis sealed lip, the first seal of the first radial seal lip radial outside
It is equipped with the first elastic groove；The second sealing ring is equipped between the second bearing outer ring and the axial outer end portion of bearing inner race, the
Two sealing rings include the second steel skeleton and the second seal being coated on the outside of the second steel skeleton；Second seal
Include the second radial seal lip and two the second axial seal lips on radial inner end, the second radial seal lip is radially outer
Second seal of side is equipped with the second elastic groove, and the 3rd elastic groove is formed between two the second axial seal lips.
Preferably, the outer circumferential wall surface of the bearing inner race is equipped with inner ring raceway face and inner ring ball face；Inner ring
The inner end in ball face protrudes from inner ring raceway face and forms inner ring retaining wall；Radial direction cylindrical roller component is mounted on inner ring raceway face
On, ball bearing assembly is mounted on inner ring ball face.
Preferably, the axial outer end portion in the inner ring raceway face is equipped with the conical surface, inner ring raceway face inner end is rolled with inner ring
Pearl face intersection is equipped with inner ring oil groove；The radially inwardly projecting outer ring that is equipped in both ends is kept off inside and outside the axial direction of the clutch shaft bearing outer ring
Wall, the groove bottom between the outer ring retaining wall of both sides form outer roller surface, end and the outer ring retaining wall junction composition of outer roller surface
Outer ring oil groove is additionally provided with the first outer ring seal groove on the outer ring retaining wall in outside；The outer side positioning of the radial direction cylindrical roller component
It is positioned on outer roller surface, and axially through outer ring retaining wall and outer end retaining wall.
Preferably, its radially outer end of first seal is caught in the first outer ring seal groove of clutch shaft bearing outer ring
Interior, the radial inner end and the conical surface in inner ring raceway face of the first seal offset.
Preferably, the radial direction cylindrical roller component includes radial direction retainer and on radial direction retainer
Radial roller group；The radial direction retainer includes ring body, and ring body side is equipped with multiple pocket holes, two neighboring pocket along its circumferential rule
Tie-beam is equipped between hole, trapezoidal groove is formed between tie-beam and ring body lateral wall, pocket hole is equipped in tie-beam end position
Oil storage tank.
Preferably, the inner ring ball face is equipped with inner ring ball arc groove；The footpath of the second bearing outer ring is inside
Side is equipped with outer ring ball face, and outer ring ball face is equipped with outer ring ball arc groove；The ball bearing assembly is mounted on outer
It encloses in ball arc groove, the ball bearing assembly is included in axial-radial retainer and the axial-radial retainer of installation
Ball set.
Preferably, the inner ring ball arc groove and outer ring ball arc groove include left side groove face and right side groove face,
Bottom of trench oil duct is formed between left side groove face and right side groove face；The angle α of the left side groove face and right side groove face and center line for 35 ~
40°。
Preferably, the axial outer end portion in the outer ring ball face is equipped with the second outer ring seal groove, inner ring ball face
Axial outer end portion is equipped with inner ring seal groove；Its radially outer end of second sealing ring is located in the second outer ring seal groove,
The radial inner end of second sealing ring is located in inner ring seal groove.
The utility model uses above-mentioned technical proposal, which is related to a kind of group suitable for elevator dish traction machine
Sympodium is held, and the radial direction cylindrical roller component and ball bearing assembly in the combination bearing share same bearing inner race, radially circle
Column roller assembly is used to ensure the radial direction bearing capacity of combination bearing, and ball bearing assembly is used to ensure the axial carrying of combination bearing
Power, and radial direction bearing capacity is promoted simultaneously.And a bearing inner race is shared, make its easy for installation, ensure that the scattered error of bearing bore diameter
And inner ring rolling（Ditch）The concentricity in road reduces bear vibration noise and improves bearing service life.It may be summarized to be, the group
Sympodium bearing structure is compact, improves concentricity, and operating is more stable, reduces noise.Meanwhile the combination bearing is in radial direction cylindrical roller
The one side of component and ball bearing assembly is equipped with sealing ring, and the radial inner end of sealing ring is equipped with multiple sealed lips, close
It is good to seal effect, ensure that bearing not leakage embellishing consistent lubricant in the running.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of clutch shaft bearing outer ring.
Fig. 3 is the structure diagram of bearing inner race.
Fig. 4 is the structure diagram of radial direction retainer.
Fig. 5 is the structure diagram of radial direction retainer.
Fig. 6 is the structure diagram of the first sealing ring.
Fig. 7 is the structure diagram of second bearing outer ring.
Fig. 8 is the structure diagram of the second sealing ring.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferred embodiment of the utility model is described in further detail.
A kind of combination bearing suitable for elevator dish traction machine as shown in Fig. 1 ~ 8, including bearing inner race 1, Yi Jiding
Clutch shaft bearing outer ring 2 and second bearing outer ring 3 of the position on the bearing inner race 1.The clutch shaft bearing outer ring 2 and second bearing
The axial direction of outer ring 3 along bearing inner race 1 closes up setting.The outer circumferential wall surface of the bearing inner race 1 is equipped with inner ring raceway
Face 11 and inner ring ball face 12, the inner end in inner ring ball face 12 protrude from inner ring raceway face 11 and form inner ring retaining wall 13.It is described
Radial direction cylindrical roller component is installed, radial direction cylindrical roller component is mounted on inner ring between clutch shaft bearing outer ring 2 and bearing inner race 1
On roller surface 11.Ball bearing assembly, ball bearing assembly peace are installed between the second bearing outer ring 3 and bearing inner race 1
On inner ring ball face 12, ball bearing assembly four point contact in the radial and axial directions.It should be noted that 4 points connect
It touches and refers to ball bearing assembly along 1 axial direction two-end-point of bearing inner race and along 1 radial direction both ends of bearing inner race
It is formed and positioned with component contact on point.
The technical solution is related to a kind of combination bearing suitable for elevator dish traction machine, the radial direction circle in the combination bearing
Column roller assembly and ball bearing assembly share same bearing inner race 1, and radial direction cylindrical roller component is used to ensure combination bearing
Radial direction bearing capacity, ball bearing assembly is used to ensure the axial bearing capacity of combination bearing, and promotes radial direction bearing capacity simultaneously.And
A bearing inner race 1 is shared, makes its easy for installation, ensure that the scattered error of bearing bore diameter and inner ring rolling（Ditch）The concentricity in road, drop
Low bear vibration noise and improve bearing service life.It may be summarized to be, the combined bearing structure is compact, improves coaxial
Degree, operating is more stable, reduces noise.
The program is specific as follows：
In radial direction cylindrical roller component location structure；The axial outer end portion in the inner ring raceway face 11 is equipped with the conical surface 14,
The cone angle of the conical surface 14 is 15-17 °, and 11 inner end of inner ring raceway face is equipped with inner ring oil groove 15 with 12 intersection of inner ring ball face.Institute
State that both ends inside and outside the axial direction of clutch shaft bearing outer ring 2 are radially inwardly projecting to be equipped with outer ring retaining wall 21, the outer ring retaining walls 21 of both sides it
Between groove bottom form outer roller surface 22, end and 21 junction of outer ring retaining wall composition outer ring oil groove 23, the axis of outer roller surface 22
The first outer ring seal groove 24 is additionally provided on outer ring retaining wall 21 outward.It is located on the outside of the radial direction cylindrical roller component outer
On roller surface 22, and positioned axially through outer ring retaining wall 21 and outer end retaining wall.The clutch shaft bearing outer ring 2 and bearing inner race 1
The first sealing ring 4 is equipped between axial outer end portion.First sealing ring 4 includes the first steel skeleton 41 and is coated on the first reinforcing bar
First seal 42 in 41 outside of frame.Its radially outer end of first seal 42 is caught in outside the first of clutch shaft bearing outer ring 2
It encloses in seal groove 24, the radial inner end of the first seal 42 offsets with the conical surface 14 in inner ring raceway face 11.First sealing
Include the first radial seal lip 43 and first axis sealed lip 44, the first radial seal lip on the radial inner end of body 42
First seal 42 of 43 radial outsides is equipped with the first elastic groove 45.
The radial direction cylindrical roller component includes radial direction retainer 51 and the radial direction rolling on radial direction retainer 51
Subgroup 52.The radial direction retainer 51 includes ring body 53, and 53 side of ring body is equipped with multiple pocket holes 54 along its circumferential rule, and adjacent two
Tie-beam 55 is equipped between a pocket hole 54, trapezoidal groove 56 is formed between 53 lateral wall of tie-beam 55 and ring body, pocket hole 54 is even
55 end position of beam is connect equipped with oil storage tank 58.The radial direction retainer 51 of the radial direction cylinder roller bearing is whole using brass material
Turning adds milling processing and forming.
In ball bearing assembly location structure；The inner ring ball face 12 is equipped with inner ring ball arc groove.Described
The radially inner side face of two bearing outer rings 3 is equipped with outer ring ball face 31, and outer ring ball face 31 is equipped with outer ring ball arc groove.Institute
Ball bearing assembly is stated in the ball arc groove of outer ring.The inner ring ball arc groove and outer ring ball arc groove include
Left side groove face 31a and right side groove face 31b forms bottom of trench oil duct 32 between left side groove face 31a and right side groove face 31b.The left side
The angle α of groove face 31a and right side groove face 31b and center line is 35 ~ 40 °.The ball bearing assembly is kept including axial-radial
Ball set 62 in frame 61 and the axial-radial retainer 61 of installation.
The second sealing ring 7 is equipped between the axial outer end portion in the outer ring ball face 31 and inner ring ball face 12, second is close
Seal 7 includes the second steel skeleton 71 and is coated on second seal 72 in 71 outside of the second steel skeleton.Second seal
Include the second radial seal lip 73 and two the second axial seal lips 74, the second radial seal lip on 72 radial inner end
Second seal 72 of 73 radial outside of portion is equipped with the second elastic groove 75, and the is formed between two the second axial seal lips 74
Three elastic grooves 76.The axial outer end portion in the outer ring ball face 31 is equipped with the second outer ring seal groove 34, inner ring ball face 12
Axial outer end portion is equipped with inner ring seal groove 17.Its radially outer end of second sealing ring 7 is located in the second outer ring seal groove
In 34, the radial inner end of the second sealing ring 7 is located in inner ring seal groove 17.
The combination bearing assembling process on elevator dish traction machine that the program is related to is as follows：The first step, installation are radially round
Column roller bearing；First clutch shaft bearing outer ring 2 is kept flat on the table, then radial direction retainer 51 it is flat be put into first axle
In bearing outer-ring 2, then in 52 many pocket holes 54 for being fitted into radial direction retainer 51 of radial roller group.Second step installs ball
Bearing assembly；It is similary that first second bearing outer ring 3 is kept flat on the table, bearing inner race 1 then there is into seal groove one side downward
It puts down and is put into second bearing outer ring 3, and be in contact in the inner wall of one side bearing inner race 1 with the outer wall of second bearing outer ring 3,
Wall finished product drawing requirement steel ball one few is subsequently placed into, is then packed into last steel ball with folder ball machine, is then packed into axial
Radial direction retainer 61, then the riveted axial-radial retainer 61 on punching machine.3rd step, overall package；The footpath that front is installed
Component, which has seal groove side to be inserted in inner ring upward, outside cylinder roller bearing 14 one side of the guiding conical surface, then cleans the axis installed
It holds, then the lubricating grease of bearing both sides grease filling machine injection product requirement, then in radial direction cylinder roller bearing one side press-in the
One sealing ring 4；The second sealing ring 7 finally is pressed into ball bearing assembly one side, so far a set of novel elevator dish traction unit
Sympodium takes up to match somebody with somebody and finish.
Claims (8)
1. the combination bearing of elevator dish traction machine, it is characterised in that：Including bearing inner race and it is located in the bearing inner race
On clutch shaft bearing outer ring and second bearing outer ring；The clutch shaft bearing outer ring and axial direction of the second bearing outer ring along bearing inner race
Close up setting in direction；Radial direction cylindrical roller component is installed between clutch shaft bearing outer ring and bearing inner race, second bearing outer ring with
Ball bearing assembly is installed between bearing inner race；
The first sealing ring is equipped between the clutch shaft bearing outer ring and the axial outer end portion of bearing inner race；First sealing ring includes the
One steel skeleton and the first seal being coated on the outside of the first steel skeleton；It is wrapped on the radial inner end of first seal
The first radial seal lip and first axis sealed lip are included, is set on the first seal of the first radial seal lip radial outside
There is the first elastic groove；The second sealing ring is equipped between the second bearing outer ring and the axial outer end portion of bearing inner race, second is close
Seal includes the second steel skeleton and the second seal being coated on the outside of the second steel skeleton；The radial direction of second seal
Include the second radial seal lip and two the second axial seal lips on inner end, the second radial seal lip radial outside
Second seal is equipped with the second elastic groove, and the 3rd elastic groove is formed between two the second axial seal lips.
2. the combination bearing of elevator dish traction machine according to claim 1, it is characterised in that：The week of the bearing inner race
Outside side wall surface is equipped with inner ring raceway face and inner ring ball face；The inner end in inner ring ball face protrudes from inner ring raceway face and is formed
Inner ring retaining wall；Radial direction cylindrical roller component is mounted on inner ring raceway face, and ball bearing assembly is mounted on inner ring ball face.
3. the combination bearing of elevator dish traction machine according to claim 2, it is characterised in that：The inner ring raceway face
Axial outer end portion is equipped with the conical surface, and inner ring raceway face inner end is equipped with inner ring oil groove with inner ring ball face intersection；The first axle
Both ends are radially inwardly projecting inside and outside the axial direction of bearing outer-ring is equipped with outer ring retaining wall, and the groove bottom between the outer ring retaining wall of both sides is formed
Outer roller surface, the end of outer roller surface form outer ring oil groove with outer ring retaining wall junction, and the is additionally provided on the outer ring retaining wall in outside
One outer ring seal groove；Be located on the outside of the radial direction cylindrical roller component on outer roller surface, and axially through outer ring retaining wall and
Outer end retaining wall positioning.
4. the combination bearing of elevator dish traction machine according to claim 3, it is characterised in that：First seal
Its radially outer end is caught in the first outer ring seal groove of clutch shaft bearing outer ring, the radial inner end and inner ring raceway of the first seal
The conical surface in face offsets.
5. the combination bearing of elevator dish traction machine according to claim 4, it is characterised in that：The radial direction cylindrical roller
Component includes radial direction retainer and the radial roller group on radial direction retainer；The radial direction retainer includes ring body,
Along it, circumferentially rule is equipped with multiple pocket holes for ring body side, and tie-beam, tie-beam and ring body outside are equipped between two neighboring pocket hole
Trapezoidal groove is formed between wall, pocket hole is equipped with oil storage tank in tie-beam end position.
6. the combination bearing of elevator dish traction machine according to claim 2, it is characterised in that：On the inner ring ball face
Equipped with inner ring ball arc groove；The radially inner side face of the second bearing outer ring is equipped with outer ring ball face, on the ball face of outer ring
Equipped with outer ring ball arc groove；The ball bearing assembly is mounted in the ball arc groove of outer ring, the ball bearing assembly bag
Include the ball set in axial-radial retainer and the axial-radial retainer of installation.
7. the combination bearing of elevator dish traction machine according to claim 6, it is characterised in that：The inner ring ball circular arc
Slot and outer ring ball arc groove include left side groove face and right side groove face, and ditch base oil is formed between left side groove face and right side groove face
Road；The left side groove face is 35 ~ 40 ° with the angle α of right side groove face and center line.
8. the combination bearing of elevator dish traction machine according to claim 6, it is characterised in that：The outer ring ball face
Axial outer end portion is equipped with the second outer ring seal groove, and the axial outer end portion in inner ring ball face is equipped with inner ring seal groove；Described
Its radially outer end of two sealing rings is located in the second outer ring seal groove, and it is close that the radial inner end of the second sealing ring is located in inner ring
In sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952153.5U CN207406633U (en) | 2017-07-31 | 2017-07-31 | The combination bearing of elevator dish traction machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952153.5U CN207406633U (en) | 2017-07-31 | 2017-07-31 | The combination bearing of elevator dish traction machine |
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| Publication Number | Publication Date |
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| CN207406633U true CN207406633U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720952153.5U Active CN207406633U (en) | 2017-07-31 | 2017-07-31 | The combination bearing of elevator dish traction machine |
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| CN (1) | CN207406633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735860A (en) * | 2019-10-23 | 2020-01-31 | 张家港Aaa精密制造股份有限公司 | Bearing raceway processing device and processing method, outer ring, inner ring and high-load bearing |
-
2017
- 2017-07-31 CN CN201720952153.5U patent/CN207406633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735860A (en) * | 2019-10-23 | 2020-01-31 | 张家港Aaa精密制造股份有限公司 | Bearing raceway processing device and processing method, outer ring, inner ring and high-load bearing |
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