CN104071243A - Supporting wheel - Google Patents
Supporting wheel Download PDFInfo
- Publication number
- CN104071243A CN104071243A CN201410295016.XA CN201410295016A CN104071243A CN 104071243 A CN104071243 A CN 104071243A CN 201410295016 A CN201410295016 A CN 201410295016A CN 104071243 A CN104071243 A CN 104071243A
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- China
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- fulcrum
- caterpillar wheel
- engagement piece
- iron
- oil
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Abstract
The invention relates to a supporting wheel. The supporting wheel comprises a supporting wheel body, a supporting shaft and clamps, wherein the inner sides of the clamps are matched with floating seal rings and floating seal rubber rings; a lubricating oil duct is formed inside the supporting shaft; an iron registration part is arranged inside the supporting wheel; a first sealing ring is arranged on the outer side of the iron registration part. A shaft step is arranged on the supporting shaft; a copper sleeve is arranged between the iron registration part and the supporting shaft; one end, which faces the shaft step, of the copper sleeve is provided with a flange; a wheel step is arranged inside the supporting wheel body; the iron registration part is provided with a bump matched with the end face of the wheel step; a first oil groove is formed in the surface, which is matched with the supporting shaft, of the floating seal ring; a second oil groove is formed in the surface, which is matched with the iron registration part, of the copper sleeve; an oil storing cavity is formed in the surface, which is matched with the supporting wheel body, of the iron registration part; the oil storing cavity is communicated with the second oil groove. During installation, the supporting wheel is only assembled from one end, thereby increasing the assembling efficiency, lowering the assembling labor intensity, simplifying maintenance, and prolonging the service life of a floating seal. Wear to the supporting shaft and the copper sleeve is lowered through an oil film on the surface of the supporting shaft, and lubricating oil of a high oil temperature in the oil storing cavity can be replaced to prolong the service life of the supporting wheel.
Description
Technical field
The present invention relates to wheel body, particularly a kind of caterpillar wheel.
Background technology
Along with social development, large-scale construction project is constantly implemented, in construction project, all to use excavating machine, therefore excavating machine also becomes the equipment that breakage rate is very high, wherein thrust wheel of digging machine is that excavating machine parts hold damageable part most, caterpillar wheel is the vitals of traxcavator walking and support system, under normal circumstances, caterpillar wheel is the carrier that bears overall machinery weight, technical requirements is higher, existing caterpillar wheel in when assembling by make assembling at both sides pressing iron engagement piece, use and keep in repair trouble, life-span is low, in installation process, need to expend a large amount of manpowers, and danger coefficient is high.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of caterpillar wheel, when installation, only need assemble from one end, packaging efficiency is high, assembling labour intensity is low, and maintenance easily, is floated envelope long service life, the oil film on fulcrum surface reduces the wearing and tearing of fulcrum and copper sheathing, and the lubricating oil that shoe cream room can be changed high oil temperature improves the caterpillar wheel life-span.
The technical solution adopted for the present invention to solve the technical problems is: described caterpillar wheel comprises caterpillar wheel body, be arranged at the fulcrum of described caterpillar wheel body inside, be arranged at the OK a karaoke club at fulcrum two ends, on the fulcrum of described OK a karaoke club inner side, interference fit is useful on floating sealing ring and the floating sealing rubber ring of sealing, described fulcrum inside is provided with oil leab, the end of described oil leab is provided with plug cock, the inner interference fit of caterpillar wheel body between described floating sealing ring has two iron engagement pieces, and described iron engagement piece outside is provided with the first seal ring with the cooperation place of caterpillar wheel body.Fulcrum between described iron engagement piece is provided with pillow block rank, between described iron engagement piece and fulcrum, be provided with copper sheathing, described copper sheathing and fulcrum free-running fit, described copper sheathing is provided with the flange with step end face free-running fit towards step one end, and described flange is connected by stop pin with iron engagement piece; The inner one end of described caterpillar wheel body is provided with wheel step, and described iron engagement piece is taken turns one end that step coordinates and is provided with and the projection of taking turns step end face and coordinating with described; One end that described caterpillar wheel body is not provided with wheel step is provided with jump ring, described jump ring inner side and the laminating of iron engagement piece end face; The face that described floating sealing ring coordinates with fulcrum is provided with the first oil groove, described copper sheathing is provided with iron engagement piece fitting surface the second oil groove that is communicated with described the first oil groove, described the second oil groove interconnects by the gap of described pillow block rank and described caterpillar wheel body, and described fulcrum is provided with the through hole that is communicated with oil leab and the first oil groove; Described iron engagement piece is provided with shoe cream room with the surface that caterpillar wheel body coordinates, and described shoe cream room is communicated with described the second oil groove.
In above-mentioned design, employing wheel step is monolateral spacing as iron engagement piece, in the time of assembling, only need, from monolateral installation, improve packaging efficiency, reduces and assembles labour intensity, and maintenance easily.Described oil leab and the first oil groove and the second oil groove contribute to the circulation of lubricating oil in caterpillar wheel body to improve the lubricant effect of lubricating oil, and shoe cream room can be replaced the lubricating oil that temperature is higher and prevent that lubricating oil temperature is higher lubricated not good.
As the design's better improvement, on described each iron engagement piece, be at least provided with two shoe cream rooms, iron engagement piece is provided with caterpillar wheel surface the circular groove that is communicated with described shoe cream room.Described circular groove contributes to the lubricating oil exchange between shoe cream room to improve the lubricant effect of lubricating oil.
As the design's better improvement, described copper sheathing and the monolateral gap of described fulcrum are 0.2-0.3mm.
As the design's preferred version, described copper sheathing and the monolateral gap of described fulcrum are 0.2mm.The clearance control of described copper sheathing and fulcrum contributes to form oil film at copper sheathing and a between centers and improves the caterpillar wheel life-span, prevents copper sheathing crimp simultaneously.
As the design's better improvement, described flange and described axle step end face assembly clearance are 0.3-0.7mm.
As the design's preferred version, described flange and described axle step end face assembly clearance are 0.5mm.Clearance control between described flange and pillow block rank is avoided floating sealing rubber ring to burn and is improved the sealing property of floating sealing rubber ring.
As the design's better improvement, described fulcrum surface hardening hardness is HRC52-58.The service life that the hardness control on described fulcrum surface can improve fulcrum.
As the design's better improvement, described OK a karaoke club and described fulcrum cooperation place are provided with the second seal ring.The second seal ring is avoided the leakage of OK a karaoke club and fulcrum cooperation place.
As the design's better improvement, described OK a karaoke club and described shaft end cooperation place are provided with and prevent the axially movable steel pin of described OK a karaoke club.
As the design's better improvement, described floating sealing ring is Q alloy, and described floating sealing ring forms through poured into centrifugal, and superficial hardness reaches HRC62-67.The service life that the material selection of floating sealing ring improves floating sealing ring in the situation that ensureing floating sealing ring intensity.
The invention has the beneficial effects as follows: when the present invention installs, only need assemble from one end, packaging efficiency is high, assembling labour intensity is low, maintenance easily, floating envelope long service life, the oil film on fulcrum surface reduces the wearing and tearing of fulcrum and copper sheathing, and the lubricating oil that shoe cream room can be changed high oil temperature improves the caterpillar wheel life-span.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
1. steel pins in the drawings, 2. OK a karaoke club, 3. floating sealing ring, 4. iron engagement piece, 5. caterpillar wheel body, 6. stop pin, 7. pillow block rank, 8. circular groove, 9. jump ring, 10. copper sheathing, 11. first oil grooves, 12. shoe cream rooms, 13. first seal rings, 14. floating sealing rubber rings, 15. second seal rings, 16. plug cocks, 17. oil leaies, 18. fulcrums, 19. flanges, 20. take turns step, 21. projections, 22. second oil grooves, 23. through holes.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation are only used for explaining the present invention, but not as a limitation of the invention.
As shown in the figure, described caterpillar wheel comprises caterpillar wheel body 5, be arranged at the fulcrum 18 of described caterpillar wheel body 5 inside, be arranged at the OK a karaoke club 2 at fulcrum 18 two ends, on the fulcrum 18 of described OK a karaoke club 2 inner sides, interference fit is useful on floating sealing ring 3 and the floating sealing rubber ring 14 of sealing, described fulcrum 18 inside are provided with oil leab 17, the end of described oil leab 17 is provided with plug cock 16, the inner interference fit of caterpillar wheel body 5 between described floating sealing ring 3 has two iron engagement pieces 4, and the cooperation place of described iron engagement piece 4 outsides and caterpillar wheel body 5 is provided with the first seal ring 13.Fulcrum 18 between described iron engagement piece 4 is provided with pillow block rank 7, between described iron engagement piece 4 and fulcrum 18, be provided with copper sheathing 10, described copper sheathing 10 and fulcrum 18 free-running fits, described copper sheathing 10 is provided with the flange 19 coordinating with 7 end clearances, pillow block rank towards 7 one end, pillow block rank, described flange 19 is connected by stop pin 6 with iron engagement piece 4; The inner one end of described caterpillar wheel body 5 is provided with wheel step 20, and described iron engagement piece 4 is taken turns one end that step 20 coordinates and is provided with and the projection 21 of taking turns step 20 end faces and coordinating with described; One end that described caterpillar wheel body 5 is not provided with wheel step 20 is provided with jump ring 9, described jump ring 9 inner sides and the 4 end face laminatings of iron engagement piece; The face that described floating sealing ring 3 coordinates with fulcrum 18 is provided with the first oil groove 11, described copper sheathing 10 is provided with iron engagement piece 4 fitting surfaces the second oil groove 22 that is communicated with described the first oil groove 11, described the second oil groove 22 interconnects by described pillow block rank 7 and the gap of described caterpillar wheel body 5, and described fulcrum 18 is provided with the through hole 23 that is communicated with oil leab 17 and the first oil groove 11; The surface that described iron engagement piece 4 coordinates with caterpillar wheel body 5 is provided with shoe cream room 12, and described shoe cream room 12 is communicated with described the second oil groove 22.
In above-mentioned design, employing wheel step 20 is monolateral spacing as iron engagement piece 4, in the time of assembling, only need, from monolateral installation, improve packaging efficiency, reduces and assembles labour intensity, and maintenance easily.Described oil leab 17 and the first oil groove 11 and the second oil groove 22 contribute to the circulation of lubricating oil in caterpillar wheel body 5 to improve the lubricant effect of lubricating oil, and shoe cream room 12 can be replaced the lubricating oil that temperature is higher and prevent that lubricating oil temperature is higher lubricated not good.
As the design's better improvement, on described each iron engagement piece 4, be at least provided with two shoe cream rooms 12, iron engagement piece 4 is provided with caterpillar wheel body 5 surfaces the circular groove 8 that is communicated with described shoe cream room 12.Described circular groove 8 contributes to the lubricating oil exchange between shoe cream room 12 to improve the lubricant effect of lubricating oil.
As the design's better improvement, described copper sheathing 10 is 0.2-0.3mm with the monolateral gap of described fulcrum 18.
As the design's preferred version, described copper sheathing 10 is 0.2mm with the monolateral gap of described fulcrum 18.The clearance control of described copper sheathing 10 and fulcrum 18 contributes to form oil film between copper sheathing 10 and fulcrum 18 and improves the caterpillar wheel life-span, prevents copper sheathing 10 crimps simultaneously.
As the design's better improvement, described flange 19 is 0.3-0.7mm with described pillow block rank 7 end face assembly clearances.
As the design's preferred version, described flange 19 is 0.5mm with described pillow block rank 7 end face assembly clearances.Clearance control between described flange 19 and pillow block rank 7 is avoided floating sealing rubber ring 14 to burn and is improved the sealing property of floating sealing rubber ring 14.
As the design's better improvement, described fulcrum 18 surface hardening hardness are HRC52-58.The service life that the hardness control on described fulcrum 18 surfaces can improve fulcrum 18.
As the design's better improvement, described OK a karaoke club 2 is provided with the second seal ring 15 with described fulcrum 18 cooperation places.The second seal ring 15 is avoided the leakage of OK a karaoke club 2 and fulcrum 18 cooperation places.
As the design's better improvement, described OK a karaoke club 2 is provided with and prevents the axially movable steel pin 1 of described OK a karaoke club 2 with described fulcrum 18 cooperation places, end.
As the design's better improvement, described floating sealing ring 3 is Q alloy, and described floating sealing ring forms through poured into centrifugal, and superficial hardness reaches HRC62-67.The service life that the material selection of floating sealing ring 3 improves floating sealing ring 3 in the situation that ensureing floating sealing ring 3 intensity.
When assembling, one end that caterpillar wheel body 5 is not provided with to wheel step 20 upwards, by iron engagement piece 4 and copper sheathing 10 pressings, is pressed together on caterpillar wheel body 5 by an iron engagement piece 4 after assembling from top to bottom by caterpillar wheel body 5 tops and is provided with wheel step 20 one end; Then fulcrum 18 is upwards put into caterpillar wheel body 5 in one end from caterpillar wheel body 5, more then second iron engagement piece 4 of combination upwards pressed in caterpillar wheel body 5 one end from caterpillar wheel body 5; Finally OK a karaoke club 2 be enclosed within to fulcrum 18 two ends and lock by steel pin 1.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a caterpillar wheel, comprise caterpillar wheel body, be arranged at the fulcrum of described caterpillar wheel body inside, be arranged at the OK a karaoke club at fulcrum two ends, on the fulcrum of described OK a karaoke club inner side, interference fit is useful on floating sealing ring and the floating sealing rubber ring of sealing, described fulcrum inside is provided with oil leab, the end of described oil leab is provided with plug cock, the inner interference fit of caterpillar wheel body between described floating sealing ring has two iron engagement pieces, described iron engagement piece outside is provided with the first seal ring with the cooperation place of caterpillar wheel body, it is characterized in that: the fulcrum between described iron engagement piece is provided with pillow block rank, between described iron engagement piece and fulcrum, be provided with copper sheathing, described copper sheathing and fulcrum free-running fit, described copper sheathing is provided with the flange coordinating with end clearance, pillow block rank towards one end, pillow block rank, described flange is connected by stop pin with iron engagement piece, the inner one end of described caterpillar wheel body is provided with wheel step, and described iron engagement piece is taken turns one end that step coordinates and is provided with and the projection of taking turns step end face and coordinating with described, one end that described caterpillar wheel body is not provided with wheel step is provided with jump ring, described jump ring inner side and the laminating of iron engagement piece end face, the face that described floating sealing ring coordinates with fulcrum is provided with the first oil groove, described copper sheathing is provided with iron engagement piece fitting surface the second oil groove that is communicated with described the first oil groove, described the second oil groove interconnects by the gap of described pillow block rank and described caterpillar wheel body, and described fulcrum is provided with the through hole that is communicated with oil leab and the first oil groove, described iron engagement piece is provided with shoe cream room with the surface that caterpillar wheel body coordinates, and described shoe cream room is communicated with described the second oil groove.
2. a kind of caterpillar wheel according to claim 1, is characterized in that, on described each iron engagement piece, is at least provided with two shoe cream rooms, and iron engagement piece is provided with caterpillar wheel surface the circular groove that is communicated with described shoe cream room.
3. a kind of caterpillar wheel according to claim 1, is characterized in that, described copper sheathing and the monolateral gap of described fulcrum are 0.2-0.3mm.
4. a kind of caterpillar wheel according to claim 3, is characterized in that, described copper sheathing and the monolateral gap of described fulcrum are 0.2mm.
5. a kind of caterpillar wheel according to claim 1, is characterized in that, described flange and described axle step end face assembly clearance are 0.3-0.7mm.
6. a kind of caterpillar wheel according to claim 5, is characterized in that, described flange and described axle step end face assembly clearance are 0.5mm.
7. a kind of caterpillar wheel according to claim 1, is characterized in that, described fulcrum surface hardening hardness is HRC52-58.
8. a kind of caterpillar wheel according to claim 1, is characterized in that, described OK a karaoke club and described fulcrum cooperation place are provided with the second seal ring.
9. a kind of caterpillar wheel according to claim 1, is characterized in that, described OK a karaoke club and described shaft end cooperation place are provided with and prevent the axially movable steel pin of described OK a karaoke club.
10. a kind of caterpillar wheel according to claim 1, is characterized in that, described floating sealing ring is Q alloy, and described floating sealing ring forms through poured into centrifugal, and superficial hardness reaches HRC62-67.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295016.XA CN104071243A (en) | 2014-06-26 | 2014-06-26 | Supporting wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295016.XA CN104071243A (en) | 2014-06-26 | 2014-06-26 | Supporting wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104071243A true CN104071243A (en) | 2014-10-01 |
Family
ID=51592938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410295016.XA Pending CN104071243A (en) | 2014-06-26 | 2014-06-26 | Supporting wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104071243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107074309A (en) * | 2014-10-29 | 2017-08-18 | 卡特彼勒公司 | Rolling wheel for caterpillar component with wear measurement system |
| CN108778913A (en) * | 2016-06-20 | 2018-11-09 | 株式会社小松制作所 | The bottom roller of caterpillar |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230731A (en) * | 1995-02-28 | 1996-09-10 | Hitachi Constr Mach Co Ltd | Truck roller of construction machinery |
| US20020153773A1 (en) * | 2001-04-24 | 2002-10-24 | Jinsung T.E.C. Co., Ltd. | Track roller |
| US6481807B1 (en) * | 1999-09-28 | 2002-11-19 | Italtractor Itm S.P.A. | Roller for tracks |
| CN201195562Y (en) * | 2008-04-10 | 2009-02-18 | 中国一拖集团有限公司 | Thrust wheel of digging machine |
| CN101746425A (en) * | 2009-12-28 | 2010-06-23 | 杨洪根 | Thrust wheel and guide wheel of crawler type mechanical travelling mechanism |
| CN201980316U (en) * | 2011-04-01 | 2011-09-21 | 中国一冶集团有限公司 | Lubricating and sealing structure for thrust wheel of crawling crane |
| JP2012071647A (en) * | 2010-09-28 | 2012-04-12 | Hitachi Constr Mach Co Ltd | Rotary apparatus for construction machine |
| CN202378986U (en) * | 2012-01-05 | 2012-08-15 | 昆山腾宇鑫金属制品有限公司 | Excavator supporting wheel with high sealing property |
| CN102745264A (en) * | 2012-01-05 | 2012-10-24 | 昆山腾宇鑫金属制品有限公司 | Thrust wheel convenient to maintain and use |
| CN203946186U (en) * | 2014-06-26 | 2014-11-19 | 昆山土山建设部件有限公司 | A kind of caterpillar wheel |
-
2014
- 2014-06-26 CN CN201410295016.XA patent/CN104071243A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230731A (en) * | 1995-02-28 | 1996-09-10 | Hitachi Constr Mach Co Ltd | Truck roller of construction machinery |
| US6481807B1 (en) * | 1999-09-28 | 2002-11-19 | Italtractor Itm S.P.A. | Roller for tracks |
| US20020153773A1 (en) * | 2001-04-24 | 2002-10-24 | Jinsung T.E.C. Co., Ltd. | Track roller |
| CN201195562Y (en) * | 2008-04-10 | 2009-02-18 | 中国一拖集团有限公司 | Thrust wheel of digging machine |
| CN101746425A (en) * | 2009-12-28 | 2010-06-23 | 杨洪根 | Thrust wheel and guide wheel of crawler type mechanical travelling mechanism |
| JP2012071647A (en) * | 2010-09-28 | 2012-04-12 | Hitachi Constr Mach Co Ltd | Rotary apparatus for construction machine |
| CN201980316U (en) * | 2011-04-01 | 2011-09-21 | 中国一冶集团有限公司 | Lubricating and sealing structure for thrust wheel of crawling crane |
| CN202378986U (en) * | 2012-01-05 | 2012-08-15 | 昆山腾宇鑫金属制品有限公司 | Excavator supporting wheel with high sealing property |
| CN102745264A (en) * | 2012-01-05 | 2012-10-24 | 昆山腾宇鑫金属制品有限公司 | Thrust wheel convenient to maintain and use |
| CN203946186U (en) * | 2014-06-26 | 2014-11-19 | 昆山土山建设部件有限公司 | A kind of caterpillar wheel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107074309A (en) * | 2014-10-29 | 2017-08-18 | 卡特彼勒公司 | Rolling wheel for caterpillar component with wear measurement system |
| CN107074309B (en) * | 2014-10-29 | 2019-01-22 | 卡特彼勒公司 | Rolling wheel for caterpillar component with wear measurement system |
| CN108778913A (en) * | 2016-06-20 | 2018-11-09 | 株式会社小松制作所 | The bottom roller of caterpillar |
| US11235822B2 (en) | 2016-06-20 | 2022-02-01 | Komatsu Ltd. | Track roller for tracked vehicle |
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Application publication date: 20141001 |