CN204150138U - A kind of caterpillar machinery walking caterpillar wheel - Google Patents
A kind of caterpillar machinery walking caterpillar wheel Download PDFInfo
- Publication number
- CN204150138U CN204150138U CN201420635599.1U CN201420635599U CN204150138U CN 204150138 U CN204150138 U CN 204150138U CN 201420635599 U CN201420635599 U CN 201420635599U CN 204150138 U CN204150138 U CN 204150138U
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- Prior art keywords
- wheel
- caterpillar
- wheel shaft
- end cap
- bearing
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- 125000006850 spacer group Chemical group 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 abstract description 21
- 239000003921 oil Substances 0.000 description 30
- 239000010687 lubricating oil Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010007247 Carbuncle Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of caterpillar machinery walking caterpillar wheel, comprise wheel shaft and wheel body, wheel body is enclosed within wheel shaft, wheel body two ends are provided with end cap, and end cap is enclosed within wheel shaft, between wheel shaft and wheel body, arrange bearing, bearing carrier ring is on wheel shaft, oil hole is offered in one end of wheel shaft, sets out oilhole at the middle part of wheel shaft, and oil hole is connected with oil outlet and forms oiling passage in the inside of wheel shaft.The utility model cylindrical roller bearing instead of the plain bearing of traditional milling machine caterpillar wheel, and realizes safeguarding the daily oiling of caterpillar wheel internal bearings, extends the work life of caterpillar wheel, reduces the cost changing caterpillar wheel.Caterpillar wheel described in the utility model is not only applicable to giant caterpillar formula milling machine, is also applicable to the machineries such as traxcavator, bulldozer and development machine.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, relates to a kind of caterpillar machinery walking caterpillar wheel, particularly a kind of pavement milling machine walking caterpillar wheel that can carry out oil injecting lubricating to the bearing being sleeved on caterpillar wheel inside.
Background technology
Track roller is the critical component of caterpillar mechanical travelling mechanism, and track roller rolls on crawler belt, and body weight is passed to ground by crawler belt, stops crawler belt to produce horizontal relative movement to frame.Caterpillar wheel is the vitals of caterpillar machinery walking and support system, and under normal circumstances, caterpillar wheel is the carrier bearing overall machinery weight, is also hold one of damageable part most in overall component of machine.
Pavement milling machine is one of main machine of maintenance of surface operation, maintenance work is carried out for diseases such as the rut to asphalt coating, carbuncle bag, be full of cracks, milling is carried out to damaging road surface by the milling rotor be arranged in milling planning rotor cap case, and the old material of milling is cleared up and reclaimed, to lay new road surface.
The running gear (or traveling gear) of large-scale milling machine generally all adopts caterpillar manner.The track unit of large-scale milling machine is made up of crawler belt, drive wheel, caterpillar wheel, holder sprocket wheel, guide wheel and track takeup etc.Wherein, crawler belt surrounds outside above-mentioned four kinds of wheels, by tightening device tensioning also direct and earth surface.Above-mentioned four kinds of wheels and tightening device and crawler belt all collect and are contained on a wheel carrier (i.e. bogie frame), thus form a chassis, and each milling machine has four chassis.Several caterpillar wheels be arranged on bogie frame roll on crawler belt rail level, play a part to transmit vertical load to crawler belt.Complete vehicle weight passes to below crawler belt by bogie frame, caterpillar wheel, and below crawler belt is pressed on the ground.
The bearing that traditional milling machine caterpillar wheel adopts is plain bearing (also can be called copper sheathing).Copper sheathing is sealed in caterpillar wheel, and is immersed in lubricating oil.But caterpillar wheel does not have arrange the oiling device for routine servicing or structure, have a strong impact on the service life of caterpillar wheel.In addition, because copper sheathing frictional heating is large, once wearing and tearing cause synthetic engine lubrication oil (this type of oil price is higher) to leak, caterpillar wheel will be scrapped in rapid wearing, and cannot utilization be repaired after wearing and tearing, make caterpillar wheel become larger one of consuming cost in milling machine consumable accessory.
Summary of the invention
The purpose of this utility model is the technological deficiency for existing caterpillar wheel, improves its structure, provides a kind of caterpillar machinery walking caterpillar wheel.Caterpillar wheel of the present utility model can realize safeguarding the daily oiling of caterpillar wheel internal bearings, extends the work life of caterpillar wheel, reduces the cost changing caterpillar wheel.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of caterpillar machinery walking caterpillar wheel, comprise wheel shaft and wheel body, wheel body is enclosed within wheel shaft, wheel body two ends are provided with end cap, and end cap is enclosed within wheel shaft, between wheel shaft and wheel body, arrange bearing, bearing carrier ring is on wheel shaft, oil hole is offered in one end of described wheel shaft, sets out oilhole at the middle part of wheel shaft, and oil hole is connected with oil outlet and forms oiling passage in the inside of wheel shaft.
Further, described caterpillar machinery walking caterpillar wheel also comprises spacer, and spacer to be enclosed within wheel shaft and to be between wheel shaft and end cap, and spacer, wheel shaft, wheel body and end cap form oil storage cavity, and oil storage cavity is connected with oiling passage.
As the preferred of caterpillar wheel that walk to described caterpillar machinery, the oil hole of described wheel shaft one end is arranged on the line of centers of wheel shaft long axis direction, oiling passage inwardly extends to the middle part of wheel shaft along the line of centers of wheel shaft long axis direction, and be connected along the line of centers of wheel shaft short-axis direction with oil outlet, oil hole passes through a plug cock by oiling channel seal.
In described caterpillar machinery walking caterpillar wheel, described end cap is offered several through holes, end cap is fixedly connected with wheel body bolt by described through hole.
Further, the two ends of described wheel shaft respectively connect a supporting seat, and the end of wheel shaft is provided with knock hole, supporting seat offer the through hole matched with knock hole, and supporting seat is connected with the end winding support of wheel shaft by fixing screw.
As the preferred of caterpillar wheel that walk to described caterpillar machinery, on described end cap, symmetry offers eight through holes, an annulus seal groove caved inward respectively is offered in the joint portion of end cap and spacer, wheel body, an annulus seal groove caved inward is offered in the joint portion of described spacer and wheel shaft, is provided with packing seal in described annulus seal groove.
As the preferred of caterpillar wheel that walk to described caterpillar machinery, described bearing is cylindrical roller bearing.
Compared with traditional milling machine caterpillar wheel, the beneficial effect that the utility model produces is mainly reflected in:
(1) the utility model is for the technological deficiency of traditional milling machine caterpillar wheel, has redesigned a novel caterpillar wheel.Use cylindrical roller bearing in this caterpillar wheel, instead of the plain bearing of traditional milling machine caterpillar wheel, significantly reduce the wearing and tearing of bearing; On the other hand, oil hole is offered in the wheel shaft one end in described caterpillar wheel, and sets out oilhole in the middle part of wheel shaft, and oil hole is connected with oil outlet and forms oiling passage in the inside of wheel shaft, achieves and safeguards the daily oiling of caterpillar wheel internal bearings.Therefore, caterpillar wheel design described in the utility model is more reasonable, is convenient to safeguard, extends the life-span that bearing uses, add the permission free travel distance of milling machine.Owing to extending the life-span that bearing uses, extended in the service life of caterpillar wheel, thus reduce the cost changing caterpillar wheel.
(2) end cap of caterpillar wheel described in the utility model is fixedly connected with wheel body, an annulus seal groove is respectively offered in the joint portion of end cap and spacer, wheel body, an annulus seal groove is offered in the joint portion of described spacer and wheel shaft, the packing seal be mated is installed in annulus seal groove, thus ensure that the leak tightness of oil storage cavity is good, avoid the generation of leakage of oil situation.
(3) caterpillar wheel described in the utility model has wider applicability, is not only applicable to giant caterpillar formula milling machine, is also applicable to other caterpillar machinery, such as traxcavator, bulldozer and development machine etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of caterpillar machinery described in the utility model walking caterpillar wheel.
Fig. 2 is the lateral plan of caterpillar wheel shown in Fig. 1.
Description of reference numerals: 1, wheel body; 2, wheel shaft; 3, end cap; 4, bearing; 5, spacer; 6, oiling passage; 7, plug cock; 8, supporting seat; 9, fixing screw; 10, bolt; 11, annulus seal groove.
Detailed description of the invention
For the ease of understanding the purpose of this utility model, technical scheme and effect thereof, now will be elaborated further the utility model with accompanying drawing in conjunction with the embodiments.
The utility model provides a kind of caterpillar machinery walking caterpillar wheel, and its structural representation is shown in Fig. 1.As can be seen from Figure 1, the wheel body 1 that caterpillar wheel described in the utility model comprises wheel shaft 2 and is socketed on wheel shaft 2, respectively arrange an end cap 3 at the two ends, left and right of wheel body 1, end cap 3 is on wheel shaft 2, between wheel shaft 2 and wheel body 1, arrange bearing 4, bearing 4 is enclosed within wheel shaft 2.Bearing 4 is placed in the inside of wheel body 1 and is symmetrical arranged on wheel shaft 2.
Wheel body 1 and end cap 3 are that bolt 10 is fixedly connected with.End cap 3 is offered several through holes, bolt 10 is fixedly connected with wheel body 1 through described through hole.Preferred as embodiment, as shown in Figure 2, on end cap 3, symmetry offers eight through holes, needs eight bolts 10 to be fixedly connected with wheel body 1 by end cap 3.
Further, the two ends of described wheel shaft 2 respectively connect a supporting seat 8, the end of wheel shaft 2 is provided with knock hole (not indicating in figure), supporting seat 8 offers the through hole (not indicating in figure) matched with knock hole, supporting seat 8 is connected with the end winding support of wheel shaft 2 by fixing screw 9.
The bearing 4 of the present embodiment is no longer plain bearing, preferred as embodiment, and cylindrical roller bearing selected by bearing 4, effectively can reduce the wearing and tearing of bearing 4, improves the adaptive faculty of bearing 4 pairs of operating modes.Compared with traditional milling machine caterpillar wheel, the most outstanding difference of the present embodiment is the improvement made wheel shaft 2.Oil hole (not indicating in figure) is offered in one end of wheel shaft 2, sets out oilhole (not indicating in figure) at the middle part of wheel shaft 2, and oil hole is connected with oil outlet and forms oiling passage 6 in the inside of wheel shaft 2.Setting like this, wheel shaft 2 is not merely load load carrier, also has the effect of outside fuel injection.
Preferred as to oiling passage 6, the oil hole of wheel shaft 2 one end is arranged on the line of centers of wheel shaft 2 long axis direction, oiling passage 6 inwardly extends to the middle part of wheel shaft 2 along the line of centers of wheel shaft 2 long axis direction, and is connected along the line of centers of wheel shaft 2 short-axis direction with oil outlet.In order to realize the sealing of oiling passage 6, preventing the leakage of oil of oil hole place and preventing other impurity from blocking oiling passage 6, a plug cock 7 being set at oil hole place, realizing the sealing to oiling passage 6.Caterpillar wheel design described in the present embodiment replaces plain bearing (being also copper sheathing) by cylindrical roller bearing, and be provided with oiling passage 6 in the inside of wheel shaft 2, can to the cylindrical roller bearing oiling of its inside, extend the life-span that bearing uses, add the permission free travel distance of milling machine.Owing to extending the life-span that bearing uses, extended in the service life of caterpillar wheel, thus reduce the cost changing caterpillar wheel.
In addition, caterpillar wheel described in the utility model also comprises spacer 5, and spacer 5 to be enclosed within wheel shaft 2 and to be between wheel shaft 2 and end cap 2, and wherein, spacer 5, wheel shaft 2, wheel body 1 and end cap 3 form oil storage cavity, and oil storage cavity is connected with oiling passage 6.In order to improve the leak tightness of oil storage cavity further, prevent leakage oil condition, an annulus seal groove 11 caved inward respectively is offered at end cap 3 and the joint portion of spacer 5, wheel body 1, and offer an annulus seal groove 11 caved inward at spacer 5 and the joint portion of wheel shaft 2, packing seal (not indicating in figure) is installed in described annulus seal groove.
In use or give bearing 4 oiling time, to outward winding the plug cock 7 of wheel shaft 2 one end, lubricating oil is injected in oiling passage 6, the oil outlet of lubricating oil in the middle part of wheel shaft 2 flows into oil storage cavity, bearing 4 is made to be immersed in lubricating oil, thus ensure that the lubricating oil needed for bearing 4 is sufficient, reduce the wearing and tearing of bearing 4.
Also it should be noted that, caterpillar wheel described in the utility model has wider applicability, is not only applicable to giant caterpillar formula milling machine, is also applicable to other caterpillar machinery, such as traxcavator, bulldozer and development machine etc.
The utility model is done above in conjunction with the embodiments and further described, but the utility model is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (7)
1. a caterpillar machinery walking caterpillar wheel, comprise wheel shaft and wheel body, wheel body is enclosed within wheel shaft, and wheel body two ends are provided with end cap, and end cap is enclosed within wheel shaft, between wheel shaft and wheel body, bearing is set, bearing carrier ring, on wheel shaft, is characterized in that, oil hole is offered in one end of described wheel shaft, set out oilhole at the middle part of wheel shaft, oil hole is connected with oil outlet and forms oiling passage in the inside of wheel shaft.
2. caterpillar machinery walking caterpillar wheel according to claim 1, it is characterized in that, also comprise spacer, spacer to be enclosed within wheel shaft and to be between wheel shaft and end cap, spacer, wheel shaft, wheel body and end cap form oil storage cavity, and oil storage cavity is connected with oiling passage.
3. caterpillar machinery walking caterpillar wheel according to claim 1 and 2, it is characterized in that, the oil hole of described wheel shaft one end is arranged on the line of centers of wheel shaft long axis direction, oiling passage inwardly extends to the middle part of wheel shaft along the line of centers of wheel shaft long axis direction, and be connected along the line of centers of wheel shaft short-axis direction with oil outlet, oil hole passes through a plug cock by oiling channel seal.
4. caterpillar machinery walking caterpillar wheel according to claim 3, it is characterized in that, described end cap is offered several through holes, end cap is fixedly connected with wheel body bolt by described through hole.
5. caterpillar machinery walking caterpillar wheel according to claim 3, it is characterized in that, the two ends of described wheel shaft respectively connect a supporting seat, the end of wheel shaft is provided with knock hole, supporting seat offers the through hole matched with knock hole, supporting seat is connected with the end winding support of wheel shaft by fixing screw.
6. caterpillar machinery walking caterpillar wheel according to claim 4, it is characterized in that, on described end cap, symmetry offers eight through holes, an annulus seal groove caved inward respectively is offered in the joint portion of end cap and spacer, wheel body, an annulus seal groove caved inward is offered in the joint portion of described spacer and wheel shaft, is provided with packing seal in described annulus seal groove.
7. caterpillar machinery walking caterpillar wheel according to claim 1, it is characterized in that, described bearing is cylindrical roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635599.1U CN204150138U (en) | 2014-10-29 | 2014-10-29 | A kind of caterpillar machinery walking caterpillar wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635599.1U CN204150138U (en) | 2014-10-29 | 2014-10-29 | A kind of caterpillar machinery walking caterpillar wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204150138U true CN204150138U (en) | 2015-02-11 |
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ID=52508278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635599.1U Expired - Fee Related CN204150138U (en) | 2014-10-29 | 2014-10-29 | A kind of caterpillar machinery walking caterpillar wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204150138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340289A (en) * | 2014-10-29 | 2015-02-11 | 西安宏大交通科技有限公司 | Crawler-type mechanical walking thrust wheel |
| CN115214813A (en) * | 2022-08-15 | 2022-10-21 | 徐州徐工履带底盘有限公司 | Thrust wheel, assembling method thereof and excavator |
| CN115285242A (en) * | 2022-08-29 | 2022-11-04 | 三一重机有限公司 | Crawler wheel, crawler travel device, and work machine |
-
2014
- 2014-10-29 CN CN201420635599.1U patent/CN204150138U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340289A (en) * | 2014-10-29 | 2015-02-11 | 西安宏大交通科技有限公司 | Crawler-type mechanical walking thrust wheel |
| CN115214813A (en) * | 2022-08-15 | 2022-10-21 | 徐州徐工履带底盘有限公司 | Thrust wheel, assembling method thereof and excavator |
| CN115285242A (en) * | 2022-08-29 | 2022-11-04 | 三一重机有限公司 | Crawler wheel, crawler travel device, and work machine |
| CN115285242B (en) * | 2022-08-29 | 2023-08-22 | 三一重机有限公司 | Crawler wheel, crawler travel device and working machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170930 Address after: 710300 Shaanxi city of Xi'an province Beijing Economic and Technological Development Zone Industrial Park Feng Road No. 16 Patentee after: Wang Lihong Address before: 710300 No. 38, Kam Yip Road, Gaoxin District, Shaanxi, Xi'an Patentee before: XI'AN HONGDA ENGINEERING CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20171029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |