CN206288107U - A kind of thrust wheel - Google Patents
A kind of thrust wheel Download PDFInfo
- Publication number
- CN206288107U CN206288107U CN201621456361.8U CN201621456361U CN206288107U CN 206288107 U CN206288107 U CN 206288107U CN 201621456361 U CN201621456361 U CN 201621456361U CN 206288107 U CN206288107 U CN 206288107U
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- Prior art keywords
- wheel body
- wheel
- mandrel
- end cap
- thrust
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- 239000004519 grease Substances 0.000 claims abstract description 24
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- -1 sandstone Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model belongs to engineering mechanical device field, and in particular to a kind of thrust wheel.A kind of thrust wheel, including wheel body, the mandrel through wheel body two ends, end cap, end cap at wheel body two ends is respectively embedded in the wheel body port of respective end, the two ends of mandrel extend through the end cap of corresponding end, and the inside at wheel body two ends is separately installed with taper roll bearing, and the two ends inside wheel body are also separately installed with float grease seal, float grease seal is located between end cap and wheel body, wherein, the rotating ring of float grease seal is arranged on wheel side, and the stationary ring of float grease seal is arranged on end cover side.The application can be prevented effectively from thrust wheel the occurrence of by external force collision rift seal failure, and solution thrust wheel power consumption is excessive, is applicable the relatively low problem of rotating speed.
Description
Technical field
The utility model belongs to engineering mechanical device field, and in particular to a kind of thrust wheel.
Background technology
Thrust wheel is critical component in tracked construction equipment, and it is with driving wheel, tensioning wheel, guide wheel, common group of crawler belt
Into walking structure.Thrust wheel is located at the bottom of plant equipment, and bearing vehicle body weight is also attached in the plant equipment course of work
Plus the weight of bearing goods.The thrust wheel most of the time, operating environment was severe, because thrust wheel sets positioned at machinery in outdoor application
The standby bottom, often contacts the pollutant that water, sandstone, mud etc. are easily accessible inside thrust wheel, easily causes thrust wheel
Seal failure, power consumption be excessive in use, wheel short life, and the problems such as replacement frequency is high, these situations are in 127 millimeters of external diameter
（I.e. 5 inches）It is especially prominent in small-sized thrust wheel below.
In the prior art, it is to be realized by the cooperation of sliding bearing between thrust wheel and mandrel, and such structure
So that the internal space of wheel is limited, the frictional resistance that increased inside, the stroke for increasing mandrel motion, thrust wheel power consumption are excessive,
The end cap at wheel body two ends of thrust wheel is located at simultaneously exposed to outside, is easily subject to external force collision to cause seal failure, occur
Oil leak or the phenomenon into pollutant.
The content of the invention
For the problems such as thrust wheel poor sealing performance, power consumption are big, inner space is not enough present in prior art, this
Utility model provides a kind of thrust wheel, can be prevented effectively from thrust wheel the occurrence of by external force collision rift seal failure,
Solve thrust wheel power consumption excessive, be applicable the relatively low problem of rotating speed.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of thrust wheel, including wheel body 1, the mandrel 2 through the two ends of wheel body 1, end cap 7, it is characterized in that, in wheel body
The end cap 7 at 1 two ends is respectively embedded in the port of wheel body 1 of respective end, and the two ends of mandrel 2 extend through the end cap 7 of corresponding end, wheel
The inside at the two ends of body 1 is separately installed with taper roll bearing 8, and the two ends inside wheel body 1 are also separately installed with float grease seal 3,
Float grease seal 3 is located between end cap 7 and wheel body 1, wherein, the rotating ring of float grease seal 3 is arranged on wheel side, float grease seal 3 it is quiet
Ring is arranged on end cover side.
Further, it is provided with for supporting taper roller axle with the corresponding position of taper roll bearing 8 in wheel body 1
8 bearing boss is held, the outer ring of taper roll bearing is assemblied in inside wheel body bearing boss；The inner ring assembling of taper roll bearing
On mandrel.
Further, the two ends of mandrel 2 are separately installed with O-ring 5, are sealed by O-ring 5 between end cap 7 and mandrel 2.
Further, the two ends of mandrel 2 are additionally provided with draw-in groove, are respectively sleeved on for limiting end cap on the draw-in groove at two ends
7 spacing back-up ring 6.
Further, oil pocket is formed between wheel body 1 and mandrel 2, the note communicated with internal oil pocket is provided with end cap 7
Oilhole, is provided with oil stifled 4 on oil filler point.
Further, the middle part of wheel body 1 is provided with cyclic structure, and annular is formed between the inside of cyclic structure and mandrel 2
Oil pocket 9.
The utility model is compared with prior art, it is beneficial that：
1st, thrust wheel wheel body inside uses compact design, and both sides end cap and float grease seal are hidden in inside wheel body, use
In avoid the occurrence of thrust wheel from being caused seal failure by external force collision rift.
2nd, the wheel body inside both sides Position Design bearing boss of thrust wheel, radially and has axially all saved space；Thrust wheel
Rotate and do not use sliding bearing, but the taper roll bearing for using, sliding friction is substituted with rolling friction, reduce wheel
Frictional resistance, thrust wheel is met low speed demand can work at high speed again.
3rd, wheel body is global design, and wheel body intensity is high, does not have welding stress, does not have the wind such as welding position oil leak, cracking
Danger.Indoor design has many places annular oil cavity, is conducive to lubricating oil to store and inner components sufficient lubrication, cooling.
Brief description of the drawings
Fig. 1 is the contour structures schematic diagram of embodiment 1；
Fig. 2 is the A-A along Fig. 1 to profile；
Fig. 3 is the contour structures schematic diagram of embodiment 2；
Fig. 4 is along the B-B direction profile of Fig. 3.
Description of symbols：1st, wheel body, 2, mandrel, 3, float grease seal, 4, oil it is stifled, 5, O-ring, 6, spacing back-up ring, 7, end cap, 8,
Taper roll bearing, 9, annular oil cavity.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
New work further, is described in detail.
For 127 millimeters of existing external diameter（I.e. 5 inches）The thrust wheel for being provided using the application in small-sized thrust wheel below
Deficiency of the prior art can be preferably solved, effect is more prominent, more specifically, thrust wheel is in 127 millimeters of external diameter
（Contain）Hereinafter, outside diameter of mandrel is more than 25 millimeters（Contain）Thrust wheel design in simultaneously using wheel body, float grease seal, conical bearing,
End cap, mandrel are more rare using the compact design that the application is provided, and by the following examples 1, embodiment 2 illustrates.
Embodiment 1：
Thrust wheel in the present embodiment, including wheel body 1, the mandrel 2 through the two ends of wheel body 1, end cap 7, in this application
End cap central is with the through hole passed through for mandrel.End cap 7 at the two ends of wheel body 1 is respectively embedded in the end of wheel body 1 of respective end
Intraoral, the two ends of mandrel 2 extend through the end cap 7 of corresponding end, and the inside at the two ends of wheel body 1 is separately installed with taper roll bearing 8,
The power consumption problems of too of thrust wheel is solved using taper roll bearing 8.Two ends inside wheel body 1 are also separately installed with floating
Oil sealing 3, float grease seal 3 is located between end cap 7 and wheel body 1, wherein, the rotating ring of float grease seal 3 is arranged on wheel side, float grease seal
3 stationary ring is arranged on end cover side.
More specifically, the indoor design at the two ends of wheel body 1 has bearing boss, and the outer ring of taper roll bearing 8 is convex with bearing
Platform inwall is contacted, and the inner ring of taper roll bearing 8 is nested in the outer wall of mandrel 2, and bearing boss can be according to the description of the present embodiment
Specify its position, and bearing boss and wheel body 1 are formed in one structure, and diagram is not given in the accompanying drawings.
The groove for accommodating float grease seal 3 is respectively arranged with wheel body 1 and end cap 7, the groove is dynamic with float grease seal 3
Ring, stationary ring match, wherein positioned at the float grease seal 3 at the two ends of wheel body 1, its rotating ring is mounted in the groove of wheel body 1；Its is quiet
Ring is mounted in the groove of end cap 7；And in the insertion wheel body 1 of mandrel 2, through the endoporus at the two ends of wheel body 1, and in mandrel 2
End positions in wheel body 1 extend through the inner ring of taper roll bearing 8, and the two ends of mandrel 2 are additionally provided with groove, in groove
It is respectively provided with O-ring 5；Press mounting end covers 7 are distinguished at the two ends of mandrel 2, mandrel 2 and end cap 7 interference fit and by O-ring between the two
5 strengthen sealing.
The two ends of mandrel 2 are additionally provided with draw-in groove, fill spacing back-up ring 6 respectively in draw-in groove, for limiting end cap 7 on mandrel
Position, prevents movement in the axial direction.Draw-in groove is set along the outer surface of mandrel 2, and spacing back-up ring 6 is socketed in the draw-in groove of mandrel 2,
Core shaft end with spacing back-up ring 6 is placed in the through hole of end cap central.
Oil pocket is formed between wheel body inside and mandrel in the present embodiment, in order to be beneficial to lubricating oil storage and inner components
Sufficient lubrication, cooling, cyclic structure is provided with wheel body 1, and annular oil cavity 9 is formed between the inside of cyclic structure and mandrel 2.
The oil filler point communicated with internal oil pocket is provided with end cap 7, oil stifled 4 is installed on oil filler point.Take turns in the present embodiment
External profile is provided with three flanges of structure annular in shape, the annular oil cavity 9 and wheel body and mandrel formed in cyclic structure it
Between space be collectively forming oil pocket in the present embodiment.
The application is hidden in the port of wheel body 1 by the use of end cap 7, using bearing boss as taper roll bearing 8 installation
Seat and the flange of the outline of wheel body is designed to loop configuration, while can meeting to form oil pocket 9, wheel body 1 is axially cutd open
The radial section thickness in face is reached unanimity, and can meet the intensity of wheel body 1, and the weight of wheel body 1 is alleviated again, is saved material.Two
Side end cap 7 is hidden in wheel body 1, and float grease seal 3 is arranged in end cap 7, and float grease seal 3 possesses wheel body 1 and end cap 7 is dual anti-
Shield, it is to avoid receive external force seal failure situation, make the oil sealing life-span be matched with life of product.Taper roll bearing 8 is filled using accurate
With technique, the dynamic and static load of equipment and instantaneous high speed demand are met.Frictional resistance is reduced in use, reduces driving horse
Up to loss, engine emission is reduced.Equipment fast response time, improves operating efficiency.
After Standard inside thrust wheel, both sides end cap 7 is hidden within wheel body 1, the outer surface of end cap 7 and the end of wheel body 1
In the same plane, the stationary ring of float grease seal 3 is adjacent to form seal oil chamber 9 with rotating ring between end cap 7 and wheel body 1 on the surface of mouth,
By in oil filler point injection moderate lubrication oil to the oil pocket 9 on end cap 7, stifled 4 sealing of oil being screwed at the oil filler point of end cap 7.In use
Heart axle passes through the mandrel 2 of thrust wheel, two ends and the body frame of central shaft to fix, and the wheel body of thrust wheel is moved back and forth and turned with crawler belt
It is dynamic.
Embodiment 2：
The agent structure of this implementation is similar to Example 1, and difference is that the outer rim shape of wheel body 1 has differences.At this
Oil pocket is also formed between wheel body inside and mandrel in embodiment, the outline middle part of wheel body 1 is have column knot in the present embodiment
Structure, the only Position Design at the two ends of wheel body 1 circularize the flange of structure, also have between the inside of column structure and mandrel 2
Space, the space and the oil pocket in the annular oil cavity 9 that cyclic structure is formed is collectively forming the present embodiment.For in thrust wheel
Remaining assembling of portion is identical with embodiment 1.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is included
One independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should be by
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for specification
With the other embodiment for understanding.
Claims (6)
1. a kind of thrust wheel, including wheel body（1）, through wheel body（1）The mandrel at two ends（2）, end cap（7）, it is characterised in that in wheel
Body（1）The end cap at two ends（7）It is respectively embedded in the wheel body of respective end（1）In port, mandrel（2）Two ends extend through corresponding end
End cap（7）, wheel body（1）The inside at two ends is separately installed with taper roll bearing（8）, in wheel body（1）Internal two ends are also divided
Float grease seal is not installed（3）, float grease seal（3）Positioned at end cap（7）With wheel body（1）Between, wherein, float grease seal（3）It is dynamic
Ring is arranged on wheel side, float grease seal（3）Stationary ring be arranged on end cover side.
2. a kind of thrust wheel as claimed in claim 1, it is characterised in that in wheel body（1）Interior and taper roll bearing（8）Correspondence
Position at be provided with for supporting taper roll bearing（8）Bearing boss.
3. a kind of thrust wheel as claimed in claim 1, it is characterised in that mandrel（2）Two ends are separately installed with O-ring（5）, end
Lid（7）With mandrel（2）Between pass through O-ring（5）Sealing.
4. a kind of thrust wheel as claimed in claim 1, it is characterised in that mandrel（2）Two ends be additionally provided with draw-in groove, at two ends
Draw-in groove on be respectively sleeved on for limiting end cap（7）Spacing back-up ring（6）.
5. a kind of thrust wheel as described in any one of Claims 1-4, it is characterised in that wheel body（1）With mandrel（2）Between shape
Into oil pocket, in end cap（7）On be provided with the oil filler point communicated with internal oil pocket, oil is installed on oil filler point stifled（4）.
6. a kind of thrust wheel as claimed in claim 5, it is characterised in that wheel body（1）Middle part is provided with cyclic structure, in ring-type
The inside of structure and mandrel（2）Between form annular oil cavity（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456361.8U CN206288107U (en) | 2016-12-28 | 2016-12-28 | A kind of thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456361.8U CN206288107U (en) | 2016-12-28 | 2016-12-28 | A kind of thrust wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206288107U true CN206288107U (en) | 2017-06-30 |
Family
ID=59154059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621456361.8U Active CN206288107U (en) | 2016-12-28 | 2016-12-28 | A kind of thrust wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206288107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264127A (en) * | 2021-06-10 | 2021-08-17 | 杨城茏 | Derailment-proof thrust wheel |
| WO2024124962A1 (en) * | 2022-12-16 | 2024-06-20 | 福建省泉州市诚法电气机械科技有限公司 | Track roller, side cover, roller body, sealing, fine adjustment and refueling devices of track roller, and mounting and removal tool and method for track roller |
-
2016
- 2016-12-28 CN CN201621456361.8U patent/CN206288107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264127A (en) * | 2021-06-10 | 2021-08-17 | 杨城茏 | Derailment-proof thrust wheel |
| WO2024124962A1 (en) * | 2022-12-16 | 2024-06-20 | 福建省泉州市诚法电气机械科技有限公司 | Track roller, side cover, roller body, sealing, fine adjustment and refueling devices of track roller, and mounting and removal tool and method for track roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200106 Address after: 264003 No.2, Lanhai Road, high tech Zone, Yantai City, Shandong Province Patentee after: Yantai Kaihuai Machinery Co.,Ltd. Address before: 264100 No. 418, Mount Road, Muping District, Shandong, Yantai Patentee before: YANTAI KAIHUAI INTERNATIONAL TRADE CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240919 Address after: Room 55, 4th Floor, West Tower, Entrepreneurship Building, No. 69 Science and Technology Avenue, Mashan Street, High tech Zone, Yantai City, Shandong Province 264003 Patentee after: Yantai Chuanhe Machinery Co.,Ltd. Country or region after: China Address before: 264003 No.2, Lanhai Road, hi tech Zone, Yantai City, Shandong Province Patentee before: Yantai Kaihuai Machinery Co.,Ltd. Country or region before: China |