CN102366875B - Method for manufacturing large rotary gear ring structural member for land scraper - Google Patents
Method for manufacturing large rotary gear ring structural member for land scraper Download PDFInfo
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- CN102366875B CN102366875B CN201110230501.5A CN201110230501A CN102366875B CN 102366875 B CN102366875 B CN 102366875B CN 201110230501 A CN201110230501 A CN 201110230501A CN 102366875 B CN102366875 B CN 102366875B
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Abstract
The invention discloses a method for manufacturing a large rotary gear ring structural member for a land scraper, which comprises the following steps of: firstly, producing a gear ring and a toothed panel, wherein the processing method of the gear ring specifically comprises the following steps of: cutting a proper steel plate from a section steel plate, coiling the proper steel plate into a ring shape and welding the head end and the tail end of the ring shape together; the processing method of the toothed panel comprises the steps of cutting a plurality of arc steel plates from the section steel plate and connecting the arc steel plates in series and welding in a splicing way to form a ring shape; secondly, coaxially welding the gear ring and the toothed panel together; thirdly, fixedly connecting a connecting mechanism on the gear ring and the toothed panel; fourthly, cutting on the toothed panel to form a tooth shape; and fifthly, carrying out heat treatment on the tooth shape. The method has the advantages that the gear ring is made of a thick steel plate coil; the toothed panel is formed by welding the arc steel plates in the splicing way, and thereby materials of the gear ring and the toothed panel can be cut by adopting the thick steel plate and blanked, the utilization rate of the materials can be greatly improved and the cost of the materials and the manufacturing cost are reduced.
Description
Technical field
The present invention relates to large gyration gear ring structural member manufacture method for a kind of land leveller.
Background technology
Large gyration gear ring structural member is mainly used on the land leveller in engineering machinery, is the core component of land leveller, requires to have wear-resisting, impact-resistant good characteristic.Traditional manufacture method is to adopt forging method and gear ring profile of tooth not to heat-treat, and therefore has following deficiency: 1, waste material, and manufacturing cost is high again; 2, anti-wear performance is poor, easily loses efficacy.
Summary of the invention
The invention provides large gyration gear ring structural member manufacture method for land leveller, it has overcome the existing deficiency of the large gyration gear ring structural member manufacture method of land leveller in background technology.
The technical scheme adopting that the present invention solves its technical problem is:
Large gyration gear ring structural member manufacture method for land leveller, it comprises:
Step 1, for the preparation of gear ring and flank of tooth plate, wherein:
Described gear ring processing method comprises: from section bar steel plate, cut out a suitable steel plate, roll a suitable steel plate and become cast, cast head and the tail two ends weld together;
Described flank of tooth plate processing method comprises: from section bar steel plate, cut out polylith curved plate, the series connection of polylith curved plate is welded into annular;
Step 2, for by gear ring together with flank of tooth plate coaxial welding;
Step 3, for affixed bindiny mechanism on gear ring and flank of tooth plate;
Step 4, for cutting out profile of tooth on flank of tooth plate;
Step 5, for heat treatment profile of tooth.
Among one preferred embodiment: in described step 1, cut out four curved plates from section bar steel plate, described four curved plate structures are identical.
Among one preferred embodiment: in described step 1, the section bar steel plate of described gear ring and flank of tooth plate all adopts low-alloy high-tensile structural steel.
Among one preferred embodiment: in described step 5, adopt surface induction heat treatment for profile of tooth heat treatment.
Among one preferred embodiment: in described step 5, for one by one toothed surfaces being carried out to surface induction heat treatment.
The technical program is compared with background technology, and its tool has the following advantages:
Described gear ring adopts steel plate to roll into, and described flank of tooth plate adopts curved plate welding to form, thereby makes the material of gear ring, flank of tooth plate can adopt steel plate cutting stock, can improve widely stock utilization, reduces material cost and manufacturing cost;
Described profile of tooth adopts cutting to form, and toothed surfaces is carried out to surface induction heat treatment, can form the structure of " outer just interior tough ", improves flank of tooth abrasive resistance and impact resistance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 has illustrated suitable steel plate schematic diagram.
Fig. 2 has illustrated gear ring schematic diagram.
Fig. 3 has illustrated curved plate schematic diagram.
Fig. 4 has illustrated flank of tooth plate schematic diagram.
Fig. 5 has illustrated the schematic diagram that gear ring and flank of tooth plate weld together.
Fig. 6 has illustrated on gear ring and flank of tooth plate and has been welded to connect the schematic diagram after mechanism.
Fig. 7 has illustrated large gyration gear ring structural member schematic diagram.
The specific embodiment
Large gyration gear ring structural member manufacture method for land leveller, it comprises:
Step 1, for the preparation of gear ring and flank of tooth plate, wherein:
Please refer to Fig. 1 and Fig. 2, described gear ring 10 processing methods comprise: from section bar steel plate, cut out a suitable steel plate 10 ', roll a suitable steel plate 10 ' and become cast, cast head and the tail two ends weld together into gear ring 10;
Please refer to Fig. 3 and Fig. 4, described flank of tooth plate 20 processing methods comprise: from section bar steel plate, cut out four curved plates 20 ', described four curved plate 20 ' structures are identical is all quadrant, and the series connection of polylith curved plate is welded into annular to become flank of tooth plate 20;
Step 2, please refers to Fig. 5, for by gear ring 10 together with flank of tooth plate 20 coaxial welding;
Step 3, please refers to Fig. 6, for affixed bindiny mechanism 30 on gear ring 10 and flank of tooth plate 20;
Step 4, please refers to Fig. 7, for cut out profile of tooth 21 on flank of tooth plate 20;
Step 5, for carrying out surface induction heat treatment to toothed surfaces one by one.
The section bar steel plate of described gear ring and flank of tooth plate all adopts the steel plate of low-alloy high-tensile structural steel.
Among the present embodiment, described bindiny mechanism 30 is axially symmetrical set, and comprise that two are welded on the lifting eye seat 31 of gear ring 10, the left and right pipe that is installed in respectively two lifting eye seats 31 props up 32, 33, be fixed in respectively the left and right plate 34 of gear ring 10, 35, be fixed in respectively the left and right floor 36 of gear ring 10, 37, one is installed in two left and right plates 34, on 35, sheet 39 is stopped in crossbeam 38 and left and right, sheet 39 affixed left and right plate 34 is respectively stopped in described left and right, 35 and left and right floor 36, 37, described left and right pipe props up 32, on 33, end is also installed in respectively two ends of entablature 38, described left and right floor 36, side affixed left and right plate 34 respectively before 37, side after 35.This area designer also can arrange bindiny mechanism 30 according to the demand of oneself.
Among the present embodiment, described gear ring adopts steel plate to roll into, described flank of tooth plate adopts the slab welding of four quadrants to form, thereby the material that makes gear ring, flank of tooth plate can adopt steel plate flame cutting stock, clout is few, can improve widely stock utilization, stock utilization is high more than forging, can reduce material cost and manufacturing cost.Gear ring and flank of tooth plate all adopt low-alloy high-tensile structural steel, guarantee the welding performance of gear ring and other structural member.Profile of tooth adopts the cutting of accurate digital control flame cutting machine to form, again toothed surfaces is carried out to surface induction heat treatment, can form the structure of " outer just interior tough ", can improve flank of tooth abrasive resistance and impact resistance, thermal treatment quality is reliable and stable, and case hardness is greater than 35HRC.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (5)
1. large gyration gear ring structural member manufacture method for land leveller, is characterized in that: it comprises:
Step 1, for the preparation of gear ring and flank of tooth plate, wherein:
Described gear ring processing method comprises: from section bar steel plate, cut out a suitable steel plate, roll a suitable steel plate and become cast, cast head and the tail two ends weld together;
Described flank of tooth plate processing method comprises: from section bar steel plate, cut out polylith curved plate, the series connection of polylith curved plate is welded into annular;
Step 2, for by gear ring together with flank of tooth plate coaxial welding;
Step 3, for affixed bindiny mechanism on gear ring and flank of tooth plate;
Step 4, for cutting out profile of tooth on flank of tooth plate;
Step 5, for heat treatment profile of tooth.
2. large gyration gear ring structural member manufacture method for land leveller according to claim 1, is characterized in that: in described step 1, cut out four curved plates from section bar steel plate, described four curved plate structures are identical.
3. large gyration gear ring structural member manufacture method for land leveller according to claim 1, is characterized in that: in described step 1, the section bar steel plate of described gear ring and flank of tooth plate all adopts low-alloy high-tensile structural steel.
4. according to large gyration gear ring structural member manufacture method for the land leveller described in claim 1 or 2 or 3, it is characterized in that: in described step 5, adopt surface induction heat treatment for profile of tooth heat treatment.
5. large gyration gear ring structural member manufacture method for land leveller according to claim 4, is characterized in that: in described step 5, for one by one toothed surfaces being carried out to surface induction heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230501.5A CN102366875B (en) | 2011-08-10 | 2011-08-10 | Method for manufacturing large rotary gear ring structural member for land scraper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230501.5A CN102366875B (en) | 2011-08-10 | 2011-08-10 | Method for manufacturing large rotary gear ring structural member for land scraper |
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| Publication Number | Publication Date |
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| CN102366875A CN102366875A (en) | 2012-03-07 |
| CN102366875B true CN102366875B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110230501.5A Active CN102366875B (en) | 2011-08-10 | 2011-08-10 | Method for manufacturing large rotary gear ring structural member for land scraper |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019501A (en) * | 2015-05-15 | 2015-11-04 | 洛阳沐阳矿山机械有限公司 | Large type excavator rotation gear ring of new structure |
| CN112427887A (en) * | 2020-10-31 | 2021-03-02 | 青岛双源钢结构有限公司 | Machining process of flange plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2357815A (en) * | 1999-12-27 | 2001-07-04 | Valeo | A synchronising ring made by superimposed moulding |
| US6547052B1 (en) * | 1998-11-23 | 2003-04-15 | Ina Walzlager Schaeffler Ohg | Synchronizing ring which is shaped without cutting |
| CN201057258Y (en) * | 2007-07-20 | 2008-05-07 | 中材建设有限公司 | Macrotype tooth ring used for rotary machine |
| CN101509063A (en) * | 2008-12-24 | 2009-08-19 | 中信重工机械股份有限公司 | Process for quenching hard-tooth surface canine tooth loop intermediate-frequency edge roller seating space |
| CN101900196A (en) * | 2009-05-27 | 2010-12-01 | 华新水泥股份有限公司 | Large welded gear and process method for manufacturing same |
| CN101898297A (en) * | 2010-04-15 | 2010-12-01 | 南通振华重型装备制造有限公司 | Manufacturing method of large-size welding type carburizing and quenching gear |
-
2011
- 2011-08-10 CN CN201110230501.5A patent/CN102366875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547052B1 (en) * | 1998-11-23 | 2003-04-15 | Ina Walzlager Schaeffler Ohg | Synchronizing ring which is shaped without cutting |
| GB2357815A (en) * | 1999-12-27 | 2001-07-04 | Valeo | A synchronising ring made by superimposed moulding |
| CN201057258Y (en) * | 2007-07-20 | 2008-05-07 | 中材建设有限公司 | Macrotype tooth ring used for rotary machine |
| CN101509063A (en) * | 2008-12-24 | 2009-08-19 | 中信重工机械股份有限公司 | Process for quenching hard-tooth surface canine tooth loop intermediate-frequency edge roller seating space |
| CN101900196A (en) * | 2009-05-27 | 2010-12-01 | 华新水泥股份有限公司 | Large welded gear and process method for manufacturing same |
| CN101898297A (en) * | 2010-04-15 | 2010-12-01 | 南通振华重型装备制造有限公司 | Manufacturing method of large-size welding type carburizing and quenching gear |
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| CN102366875A (en) | 2012-03-07 |
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