CN202827830U - Thrust wheel end cap - Google Patents
Thrust wheel end cap Download PDFInfo
- Publication number
- CN202827830U CN202827830U CN 201220465050 CN201220465050U CN202827830U CN 202827830 U CN202827830 U CN 202827830U CN 201220465050 CN201220465050 CN 201220465050 CN 201220465050 U CN201220465050 U CN 201220465050U CN 202827830 U CN202827830 U CN 202827830U
- Authority
- CN
- China
- Prior art keywords
- end cap
- hole
- caterpillar wheel
- centre hole
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a thrust wheel end cap which comprises an end cap main body (1). A boss (3) provided with a central hole (4) is arranged in the middle of the outer surface of the end cap main body (1), a transverse connecting seat (2) is arranged on the lower portion of the boss (3), and outer edges of two sides of the connecting seat are respectively provided with a bolt hole (5). In addition, the central hole (4) is communicated to the other side of the end cap, and an annular groove is formed between the outer wall (7) of the central hole (4) and the end cap main body (1). The thrust wheel end cap is applied to forge machining, and therefore machining quality of end cap products is guaranteed.
Description
Technical field
The present invention relates to the improvement of construction machinery and equipment excavating machine, bulldozer use chassis member caterpillar wheel, more particularly, relate to the improvement of caterpillar wheel end cap.
Background technology
Caterpillar wheel is the upper chassis member of using of construction machinery and equipment (particularly excavating machine, bulldozer), belongs to consumable accessory.Generally " quality guarantee period " is 2000 hours or part time job 1 year.Wherein the inside and outside lid of caterpillar wheel is the parts that caterpillar wheel is connected with vehicle frame, and general producer takes the QT450-10 casting to form.
The inside and outside lid of the caterpillar wheel of prior art is cast blank, and material is QT450-10.Foundry goods in process of setting, stress that ununiform shrinkage causes concentrate and low intensive combined action near metal under the melting temperature under, clear crack and the hot tear crack of appearance.Lower casting temperature can form cold shut, and the grains of sand that the deposite metal occurs or the accumulation of slag can cause stain.Rudimentary casting manipulations also may cause other defective.
Summary of the invention
The present invention aims to provide a kind of caterpillar wheel end cap of suitable forging processing, thereby changes the form of prior art casting end cap, by change structure, reaches the purpose that improves the end cap product design.
In order to achieve the above object, the invention provides a kind of caterpillar wheel end cap, comprise the end cap main body.There is a boss that centre hole is set at the outer surface of described end cap main body middle part, and described boss bottom arranges horizontal Connection Block, and outer rim place, described Connection Block both sides offers respectively bolt hole; In addition, described centre hole is communicated to the opposite side of described end cap, and forms annular groove between the outer wall 7 of described centre hole and the described end cap main body.
End cap of the present invention is the outer end cap of caterpillar wheel, and centre hole is stepped hole.Perhaps described end cap is the inner end cap of caterpillar wheel, and described boss offers the central through hole that passes described centre hole hole wall, and described Connection Block with form the arc cell body seat part that extends and by described centre hole.
The present invention passes through to change end cover structure, thereby so that the caterpillar wheel end cap is suitable for forging processing, thereby guaranteed the crudy of end cap product.
Description of drawings
Fig. 1 is the perspective view of caterpillar wheel enclosing cover.
Fig. 2 is that the side of caterpillar wheel enclosing cover shown in Figure 1 is cutd open structural representation.
Fig. 3 is caterpillar wheel enclosing cover side-looking structural representation shown in Figure 1.
Fig. 4 is the perspective view of caterpillar wheel inner cap.
Fig. 5 is that the side of caterpillar wheel inner cap shown in Figure 4 is cutd open structural representation.
Fig. 6 is caterpillar wheel inner cover side TV structure scheme drawing shown in Figure 4.
The specific embodiment
The outer end cap of caterpillar wheel as Figure 1-3, the outer surface middle part of end cap main body 1 have a boss 3 that centre hole 4 is set, and boss 3 bottoms arrange horizontal Connection Block 2, and outer rim place, Connection Block both sides offers respectively bolt hole 5; In addition, centre hole 4 is communicated to the opposite side of end cap, and forms annular groove between the outer wall 7 of centre hole 4 and the end cap main body 1, and centre hole 4 is stepped hole.
Shown in Fig. 4-6, the inner end cap of caterpillar wheel, there is a boss 3 that centre hole 4 is set at the outer surface of end cap main body 1 middle part, and boss 3 bottoms arrange horizontal Connection Block 2, and outer rim place, Connection Block 2 both sides offers respectively bolt hole 5; In addition, centre hole 4 is communicated to the opposite side of end cap, and forms annular groove between the outer wall 7 of centre hole 4 and the end cap main body 1.Shown in Figure 4, boss 3 offers the central through hole 6 that passes centre hole 4 hole walls, and Connection Block 2 with form the arc cell body seat part 8 that extends and by described centre hole 4.
The end cap of caterpillar wheel of the present invention makes by forging, its chemical constitution following (unit is %).
| C(carbon) | Si(silicon) | Mn(manganese) | S(sulphur) | P(phosphorus) | Mg(magnesium) |
| 0.42-0.50 | 0.17-0.37 | 0.50-.080 | ≤0.035 | ≤0.035 | 0.013-0.037 |
Its physical performance index is as follows.
| σ b(tensile strength) (Mpa) | σ 0.2(yield strength) (Mpa) | Elongation after fracture δ (%) | Hardness ball hardness HB | α k impact value (J/cm 2) Charpy-type test |
| ＞6 30 | ＞420 | ＞16 | 156-229 | ＞49 |
The present invention processes thereby be fit to forge by improving structure, therefore has characteristics of three aspects.
1, the physical and mechanical properties of forging is better than foundry goods.Reason is: metal can improve its organizational structure and mechanical property after forging processing.Cast sturcture is passed through behind the forging method thermal processing distortion because distortion and the recrystallization of metal, make original large dendritic crystal and columnar grain become the axle recrystallized structures such as crystal grain is thinner, of uniform size, make compacting and the seam such as original segregation in the steel ingot, loose, pore, slag inclusion, its tissue becomes tightr, has improved plasticity and the mechanical property of metal.In addition, forge the continuity that processing can guarantee metal fibrous tissue, the fiber structure of forging and forging profile are consistent, metal streamline is complete, can guarantee that part has the service life of good mechanical property and length.Forging is under the very large environment of temperature traverse, and the fatigue resistance of its creep exceeds more than 3 times than foundry goods.From the tissue of material, the physical and mechanical properties of forging is better than foundry goods.
2, the reject rate of decrease workpiece.Originally the inside and outside lid of caterpillar wheel of our employing had several outsourcing factories that blank is provided, and quality is all unstable.We find that at least 5% exists pore or crack defect in the course of processing; Numerous parts all is just to find out that manufacturing schedule is subject to severely restricts in the processing later stage.Waste product is regularly returned goods again according to producer, store classifiedly according to different part numbers, thereby has also increased the difficulty of management.
3, improve the quality of product, eliminated the quality labile factor.After our caterpillar wheel assembly, the general assembly of carrier wheel assembly are complete, must all carry out air tight test, tightness test.Must guarantee that oil leakage phenomenon does not occur assembly.Do not have the lubricated of oil, assembly is certain to early failure in operation process.In carrying out air tight test, tightness test, because the defective of foundry goods itself exists the inside and outside lid of 2%-3% caterpillar wheel owing to pore, crack defect, cause the assembly nonconformity.Operating personal carries out the replacing of part again, directly affects work efficiency.Carrier wheel is 1.5%-2% owing to the end cap nonconformity causes the probability of assembly failure.
The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (3)
1. caterpillar wheel end cap, comprise end cap main body (1), it is characterized in that, there is a boss (3) that centre hole (4) are set at the outer surface of described end cap main body (1) middle part, described boss (3) bottom arranges horizontal Connection Block (2), and outer rim place, described Connection Block both sides offers respectively bolt hole (5); In addition, described centre hole (4) is communicated to the opposite side of described end cap, and forms annular groove between the outer wall (7) of described centre hole (4) and the described end cap main body (1).
2. described caterpillar wheel end cap according to claim 1 is characterized in that described end cap is the outer end cap of caterpillar wheel, and described centre hole (4) is stepped hole.
3. described caterpillar wheel end cap according to claim 1, it is characterized in that, described end cap is the inner end cap of caterpillar wheel, described boss (3) offers the central through hole (6) that passes described centre hole (4) hole wall, and described Connection Block (2) with form the arc cell body seat part (8) that extends and by described centre hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465050 CN202827830U (en) | 2012-09-12 | 2012-09-12 | Thrust wheel end cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465050 CN202827830U (en) | 2012-09-12 | 2012-09-12 | Thrust wheel end cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202827830U true CN202827830U (en) | 2013-03-27 |
Family
ID=47939598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220465050 Expired - Fee Related CN202827830U (en) | 2012-09-12 | 2012-09-12 | Thrust wheel end cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202827830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443091A (en) * | 2014-11-28 | 2015-03-25 | 中联重机股份有限公司 | Supporting chain wheel for track-laying vehicle |
-
2012
- 2012-09-12 CN CN 201220465050 patent/CN202827830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443091A (en) * | 2014-11-28 | 2015-03-25 | 中联重机股份有限公司 | Supporting chain wheel for track-laying vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102615478B (en) | Forging process of wind power main shaft | |
| CN104118486B (en) | A kind of production technology of guide wheel wheel body | |
| CN103009015B (en) | Method for manufacturing double metal composite wear-resistant metallurgical rollers | |
| CN101368220B (en) | Novel structured metallurgy cinder ladle and method of producing the same | |
| CN106140819B (en) | A kind of production method of compound high speed steel roll | |
| CN205949478U (en) | High -speed steel composite roll | |
| CN104694829A (en) | High-toughness wear-resisting medium manganese steel hot rolled plate and manufacturing method thereof | |
| CN102383034B (en) | Steel for 13-dwt vehicle axle housing and production method thereof | |
| CN101539064B (en) | Aluminum alloy engine crankcase without cylinder sleeve | |
| CN103252622A (en) | Hook tail frame body machining technology | |
| CN102962425A (en) | Preparation method of oblique oil cylinder body | |
| CN107206837A (en) | The manufacture method of light-alloy hybrid wheel including preceding wheel disc and wheel hub | |
| CN104325838A (en) | High-speed rail wheel and hot-extrusion integrated forming method thereof | |
| CN103100626A (en) | Forging method for forged steel supporting rolls used for rolling mill of large-scale wide thick plates | |
| CN104907123A (en) | Lining of conical crusher and casting process of lining | |
| KR20140047451A (en) | A method of manufacturing an exhaust valve spindle for a ship engine | |
| CN102580619B (en) | Hinge sleeve for cubic presses and manufacturing method thereof | |
| CN202827830U (en) | Thrust wheel end cap | |
| CN102840240B (en) | Hard alloy radial bearing body and production process thereof | |
| CN101392801A (en) | Method for manufacturing rolling bearing seat by adopting welding process | |
| CN102454359B (en) | Integral casting cylinder block and manufacturing method | |
| CN103661653A (en) | Thrust wheel end cover | |
| CN201158276Y (en) | Axle casing trailer of 18 tons | |
| CN105132916B (en) | A kind of alloy powder of train axle laser melting coating reparation and preparation method thereof | |
| CN205393435U (en) | Modular forging instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |