CN203184902U - Integrally formed drive wheel - Google Patents
Integrally formed drive wheel Download PDFInfo
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- CN203184902U CN203184902U CN 201220696474 CN201220696474U CN203184902U CN 203184902 U CN203184902 U CN 203184902U CN 201220696474 CN201220696474 CN 201220696474 CN 201220696474 U CN201220696474 U CN 201220696474U CN 203184902 U CN203184902 U CN 203184902U
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Abstract
The utility model discloses an integrally formed drive wheel which comprises a tooth ring and holes. The tooth ring is machined on the outer ring of an annular blank by a lathe, wherein the annular blank is cast by a drive wheel mold. The holes are evenly distributed in a center plate of the inner ring of the ring. The drive wheel has the advantages that the shape and the quality of the drive wheel are designed to be perfect, minimal stress concentration is achieved, identity of cast steel materials and the integral structure of a steel casting are the strongest and therefore reliability of engineering is improved. Mechanical properties and use properties can be selected in a large range through different heat processing techniques and the drive wheel is good in machining property, the speed in realizing a finished product from a draft is high, shortening the date of delivery is benefited, a production process is single and quality control and massive production are convenient to perform.
Description
Technical field
The utility model belongs to driving wheel manufacturing technology field, refers to a kind of integrated driving wheel especially.
Background technology
The production technology of 40 tonnage level chassis of dredging machine spare driving wheels is in the prior art: cast out gear ring, carry out whole mid frequency induction hardening after the gear ring machined, be processed into ring flange with steel plate cutting boring then, again the two welding fabrication is formed driving wheel.
Ring flange is selected S355J2G3-low-alloy strength steel sheet usually for use, and its chemical composition and mechanical performance are as follows: C :≤0.20; Si :≤0.55; Mn :≤1.60; P :≤0.05%; S :≤0.035%, its mechanical property is: tensile strength 265-325MPa; Yield strength 450-630MPa; Percentage elongation 〉=17%.
The material of gear ring is G33Mn4.Its chemical composition is: C:0.30-0.36%; Si:0.35-0.60%; Mn:1.10-1.40%; P :≤0.035%; S :≤0.035%, its mechanical property. can be tensile strength 〉=610MPa; Yield strength 〉=340MPa; Percentage elongation 〉=15%.
Weld used welding wire and select for use H08MnMoA to cooperate solder flux HJ431, the chemical composition of welding wire H08MnMoA is: C:0.06-0.11%; Si :≤0.025%; MB:1.60-1.90%; P :≤0.030%; S :≤0.030%; Cn :≤0.30%; Cr :≤0.20%; Mo :≤0.30%; Ni :≤0.30%; Ti :≤0.15%, its mechanical property is: tensile strength 620-760MPa; Yield strength 〉=540MPa; Percentage elongation 〉=17%.
Therefore, the driving wheel by this explained hereafter is the complex of three kinds of different materials.As the welding driving wheel, have following defective: 1. welding point toughness is relatively poor, and hardened structures such as bainite, martensite appear in weld seam and welding heat affected zone easily, causes the toughness of welding point to reduce; 2. the easy residual welding stress of weldment, weld seam shrink and are subjected to the restraining function of cold metal on every side, so certainly exist remaining welding stress in welding point; 3. easily deformable in the welding process, the depth of parallelism 0.5 is difficult to guarantee; The welding point place exist disguised defective (crack, pore, slag inclusion. lack of penetration degree), in use, when bearing alternate load and shock loading, easy deformation and fracture.
Simultaneously, want to obtain qualified driving wheel, must guarantee Welding Structure, technological parameter and operation are correct.And in quality control, the most difficult control of factor of manual operation certainly will produce defective, changes order for preventing the defective part, carry out the UT carrying out flaw detection to the welding joint, and detection range is big, and the cycle is long.
In sum, welding driving wheel production stage is many, complex production process, and qualifying point is many, is unfavorable for producing in enormous quantities.
Summary of the invention
In view of this, the main purpose of the utility model embodiment is to provide a kind of integrated driving wheel, and it is many to solve welding driving wheel production stage, complex production process, and qualifying point is many, is unfavorable for the problem of producing in enormous quantities.
For achieving the above object, the technical scheme of the utility model embodiment is achieved in that a kind of integrated driving wheel, and described driving wheel comprises: on the annular blank that goes out according to the driving wheel die casting, and the gear ring that processes in the annulus outer ring through lathe; And along equally distributed hole on the former of annulus inner ring.
Wherein, the size of described former is specially: the size to 36 of blank rough turn former after normalized treatment ± 0.2mm, and after the tooth portion mid frequency induction hardening of gear ring, the size to 34.5 of finish turning former ± 0.2mm.
Wherein, the size of the increment of described gear ring is specially: blank is after normalized treatment, and the size of increment is rough turn to 84 ± 1.5mm, and after the tooth portion mid frequency induction hardening of gear ring, with size finish turning to the 83 ± 1.5mm of increment, described gear ring is 25 teeth.
Wherein, described along equally distributed hole on the former of annulus inner ring, be specially: 24 Φ 26 holes.
Wherein, the material of described blank is G33Mn4.
A kind of integrated driving wheel that the utility model embodiment provides, described driving wheel comprises: on the annular blank that goes out according to the driving wheel die casting, the gear ring that processes in the annulus outer ring through lathe; And along equally distributed hole on the former of annulus inner ring, described driving wheel possesses following advantage: the improvement design of shape and quality, minimum stress is concentrated, and each homogeny and the steel-casting overall structure of cast steel material are the strongest, has therefore improved Engineering Reliability; Can select mechanical property and serviceability in the larger context by different Technologies for Heating Processing, have good processability; Conversion rate from the pattern to the finished product is very fast, is conducive to shorten delivery date; Production link is single, is convenient to quality control and batch process.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of a kind of integrated driving wheel of the utility model;
Fig. 2 is the side structure schematic diagram of a kind of integrated driving wheel of the utility model.
The specific embodiment
Below by drawings and the specific embodiments the utility model embodiment is described in further detail again.
The utility model embodiment provides a kind of integrated driving wheel, Fig. 1 is the Facad structure schematic diagram of a kind of integrated driving wheel of the utility model, as shown in Figure 1, described driving wheel comprises: on the annular blank that goes out according to the driving wheel die casting, and the gear ring 11 that processes in the annulus outer ring through lathe; And along equally distributed hole 12 on the former of annulus inner ring.
Fig. 2 is the side structure schematic diagram of a kind of integrated driving wheel of the utility model.Concrete, the size of described former is specially: the size to 36 of blank rough turn former after normalized treatment ± 0.2mm, and after the tooth portion mid frequency induction hardening of gear ring 11, the size to 34.5 of finish turning former ± 0.2mm.
The size of the increment of described gear ring 11 is specially: blank is after normalized treatment, and the size of increment is rough turn to 84 ± 1.5mm, and after the tooth portion mid frequency induction hardening of gear ring 11, with size finish turning to the 83 ± 1.5mm of increment, described gear ring is 25 teeth.
Described along equally distributed hole 12 on the former of annulus inner ring, be specially: 24 Φ 26 holes.
The material of described blank is: G33Mn4.Its chemical composition and mechanical performance are: C:0.30-0.36%; Si:0.35-0.60%; Mn:1.10-1.40%; P :≤0.035%; S :≤0.035%, its tensile strength 〉=610MPa; Yield strength 〉=340MPa; Percentage elongation 〉=15%.
Produce driving wheel by integral casting process, overcome difficulty and the shortcoming of welding, and had the following advantages:
1, the improvement of shape and quality design, minimum stress is concentrated, and each homogeny and the steel-casting overall structure of cast steel material are the strongest, have therefore improved Engineering Reliability;
2, can select mechanical property and serviceability in the larger context by different Technologies for Heating Processing, have good processability;
3, the conversion rate from the pattern to the finished product is very fast, is conducive to shorten delivery date;
4, production link is single, is convenient to quality control and batch process.
Because the gear ring in the driving wheel that welding procedure is produced also is Foundry Production, therefore monoblock cast is now produced driving wheel and has been saved flange blanking and welding two procedures, has reduced production and checkout equipment and personnel and has dropped in sum.This product is through testing the thorough defective that has solved twist and warping distortion and fracture, and the installation fault rate is zero.
The above; it only is preferred embodiment of the present utility model; be not for limiting protection domain of the present utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. an integrated driving wheel is characterized in that, described driving wheel comprises: on the annular blank that goes out according to the driving wheel die casting, and the gear ring that processes in the annulus outer ring through lathe; And along equally distributed hole on the former of annulus inner ring.
2. driving wheel according to claim 1 is characterized in that, the size of described former is specially: the size to 36 of blank rough turn former after normalized treatment ± 0.2mm, and after the tooth portion mid frequency induction hardening of gear ring, the size to 34.5 of finish turning former ± 0.2mm.
3. driving wheel according to claim 1 is characterized in that, the size of the increment of described gear ring, be specially: blank is after normalized treatment, and the size of increment is rough turn to 84 ± 1.5mm, after the tooth portion mid frequency induction hardening of gear ring, with size finish turning to the 83 ± 1.5mm of increment, described gear ring is 25 teeth.
4. driving wheel according to claim 1 is characterized in that, and is described along equally distributed hole on the former of annulus inner ring, is specially: 24 Φ 26 holes.
5. driving wheel according to claim 1 is characterized in that, the material of described blank is G33Mn4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696474 CN203184902U (en) | 2012-12-17 | 2012-12-17 | Integrally formed drive wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696474 CN203184902U (en) | 2012-12-17 | 2012-12-17 | Integrally formed drive wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203184902U true CN203184902U (en) | 2013-09-11 |
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ID=49101798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220696474 Expired - Fee Related CN203184902U (en) | 2012-12-17 | 2012-12-17 | Integrally formed drive wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203184902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534058A (en) * | 2014-12-23 | 2015-04-22 | 湖北省三胜工程机械有限公司 | High wear-resisting performance driving wheel with seepage diamond particles |
| CN115070430A (en) * | 2022-06-23 | 2022-09-20 | 福建省祥春科技发展有限公司 | Driving wheel and manufacturing process thereof |
-
2012
- 2012-12-17 CN CN 201220696474 patent/CN203184902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534058A (en) * | 2014-12-23 | 2015-04-22 | 湖北省三胜工程机械有限公司 | High wear-resisting performance driving wheel with seepage diamond particles |
| CN115070430A (en) * | 2022-06-23 | 2022-09-20 | 福建省祥春科技发展有限公司 | Driving wheel and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20131217 |