CN105387060A - Large shaft with flange and machining method of large shaft - Google Patents
Large shaft with flange and machining method of large shaft Download PDFInfo
- Publication number
- CN105387060A CN105387060A CN201510632914.4A CN201510632914A CN105387060A CN 105387060 A CN105387060 A CN 105387060A CN 201510632914 A CN201510632914 A CN 201510632914A CN 105387060 A CN105387060 A CN 105387060A
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- flange
- section
- profile shaft
- large profile
- forging
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Abstract
The invention relates to a large shaft with a flange and a machining method of the large shaft. The large shaft comprises a step-shaped shaft body. A connecting part section connected with a power output part, a supporting section connected with a supporting part, a shaft solid section in any connection with other parts are arranged from left to right in sequence and a transition section between the shaft solid section and a flange part at the rightmost end; and the rightmost end is a flange section connected with a power input part. The machining method capable of saving cost, simplifying procedures and improving the quality of finished products is provided for the large shaft.
Description
Technical field
The present invention relates to the processing method of flanged (FLGD) large profile shaft conventional in the major works such as wind-power electricity generation and shield machine equipment, especially relate to the main shaft structural steel with good impact property and mechanical property.
Background technique
At present, domestic and international wind-power electricity generation and shield machine equipment Market huge, the part of most critical in wind-driven generator---wind-power electricity generation main shaft, and in shield machine, transmission main shaft all have employed flanged (FLGD) large-scale axle construction, the structural feature of the said goods is: flange is large, axle body diameter is little, shaping more difficult, technical specifications are higher simultaneously, and the intermediate location part of flange and axle body piles up a large amount of technique auxiliary materials, utilization ratio is lower, affects again the efficiency of processing.
Flanged (FLGD) large-scale axle construction of the prior art normally flange part+main shaft part, its processing method adopts twice thick twice pulling of pier usually, and the forging times needed for it is many, and inherent quality also can not be guaranteed.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of flanged (FLGD) large profile shaft and processing method thereof are provided, it is mainly used in the power between transferring power input block and output block, it divides the shaft part of whole large profile shaft according to function, comprise stair-stepping axis body, be followed successively by from left to right: the connected element section be connected with Power output portion, the supporting section be connected with supporting part, any axis body entity section be connected is had with miscellaneous part, changeover portion between axis body entity section and low order end flange part, low order end is the flange section be connected with power input part.
Described Power output portion is epicyclic transmission or worm and gear gear.
Described connected element section is for being provided with the axis body section of large-scale coupling or adpting flange.
Described supporting part is bearing.
Described changeover portion is circular arc.
Described flange section is non-solid section of axis body, and the degree of depth melting welding adopting high energy laser beam to carry out between flange section and flange.
Antirust coat is provided with outside above-mentioned shaft part.
It comprises following several step:
Overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
Roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, and its forging and stamping temperature controls, between 900 °-1100 °, to carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large profile shaft with flange of the prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the flow chart of processing method of the present invention.
Embodiment
Illustrate that the present invention is described in further detail with specific embodiment below in conjunction with accompanying drawing.
Be the structural representation of the large profile shaft with flange of the prior art in Fig. 1, its left end is axis body section, and right-hand member is flange section.
That one of the present invention comprises stair-stepping axle 7 in Fig. 2, be followed successively by from left to right: the connected element section S1 be connected with Power output portion, the supporting section S2 be connected with supporting part, with miscellaneous part without any the axis body entity section S3 be connected, changeover portion S4 between axis body entity section and low order end flange part, low order end is the flange section S5 be connected with power input part.
As shown in Figure 2, planetary wheeling mechanism 3 is by sun gear S, planet wheel P, form with gear ring R, the sun gear S of planetary wheeling mechanism 3 is by the connection with axle 7 high order end connected element section S1, by a kind of shaft end connecting device 4, sun gear S with S1 is connected in the present embodiment, thus the power distribution that axle 7 can be passed over is with suitable rotating speed and moment of torsion, S2 section comprises the groove 5 installing supporting part, the axial wall at groove 5 two ends can prevent the axial float of supporting part, thus play good axial restraint effect, axis body entity section S3 and miscellaneous part are without any being connected, the transition circle segmental arc of changeover portion S4 to be radius be R, S5 section is flange section, it is part hollow, the degree of depth melting welding that high energy laser beam is carried out is adopted between flange section and flange 6, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, ensure that intensity and the region toughness of weld seam, improve the comprehensive mechanical property of main shaft, flange 6 is connected by conventional Placement with power input part.
It comprises following several step:
1) overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
2) roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, and its forging and stamping temperature controls, between 900 °-1100 °, to carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
In a word, these are only preferred embodiment of the present invention, all equalizations done according to the scope of the claims of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. the large profile shaft with flange, it is characterized in that, comprise stair-stepping axis body, be followed successively by from left to right: the connected element section be connected with Power output portion, the supporting section be connected with supporting part, with miscellaneous part without any the axis body entity section be connected, the changeover portion between axis body entity section and low order end flange part, low order end is the flange section be connected with power input part.
2. the large profile shaft with flange according to claim 1, is characterized in that: described Power output portion is epicyclic transmission or worm and gear gear.
3. the large profile shaft with flange according to claim 2, is characterized in that: described connected element section is for being provided with the axis body section of large-scale coupling or adpting flange.
4. the large profile shaft with flange according to claim 1, is characterized in that: described supporting part is bearing.
5. the large profile shaft with flange according to claim 1, is characterized in that: described changeover portion is circular arc.
6. the large profile shaft with flange according to claim 5, is characterized in that: described flange section is non-solid section of axis body, and the degree of depth melting welding adopting high energy laser beam to carry out between flange section and flange.
7. the large profile shaft with flange according to claim 1, is characterized in that: be provided with antirust coat outside above-mentioned shaft part.
8. process a processing method for the large profile shaft in claim 1-7 described in any one, it comprises following several step:
Overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
Roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
9. the processing method of large profile shaft according to claim 8, its forging and stamping temperature controls between 900 °-1100 °.
10. the processing method of large profile shaft according to claim 8, its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632914.4A CN105387060A (en) | 2015-09-29 | 2015-09-29 | Large shaft with flange and machining method of large shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632914.4A CN105387060A (en) | 2015-09-29 | 2015-09-29 | Large shaft with flange and machining method of large shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105387060A true CN105387060A (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632914.4A Pending CN105387060A (en) | 2015-09-29 | 2015-09-29 | Large shaft with flange and machining method of large shaft |
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| Country | Link |
|---|---|
| CN (1) | CN105387060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973510A (en) * | 2017-12-27 | 2019-07-05 | 苏州唐锟辰新能源科技有限公司 | A kind of big profile shaft and its processing method with flange |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714595U (en) * | 2010-04-16 | 2011-01-19 | 辽宁中科天道新能源装备工业有限公司 | Main shafting structure of megawatt doubly-fed type asynchronous variable speed wind-driven generator |
| CN201730950U (en) * | 2010-08-19 | 2011-02-02 | 广东东兴风盈风电设备制造有限公司 | Main shaft of wind generating set |
| CN102114597A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Forge welding method for manufacturing wind power main shaft |
| CN202073725U (en) * | 2011-05-21 | 2011-12-14 | 杭州荣力铸锻有限公司 | Horizontal-axle type wind power main shaft of wind driven generator |
| CN106438660A (en) * | 2015-08-05 | 2017-02-22 | 江苏金源锻造股份有限公司 | Large flanged shaft for low-air-speed wind generating set and processing method of large flanged shaft |
-
2015
- 2015-09-29 CN CN201510632914.4A patent/CN105387060A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114597A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Forge welding method for manufacturing wind power main shaft |
| CN201714595U (en) * | 2010-04-16 | 2011-01-19 | 辽宁中科天道新能源装备工业有限公司 | Main shafting structure of megawatt doubly-fed type asynchronous variable speed wind-driven generator |
| CN201730950U (en) * | 2010-08-19 | 2011-02-02 | 广东东兴风盈风电设备制造有限公司 | Main shaft of wind generating set |
| CN202073725U (en) * | 2011-05-21 | 2011-12-14 | 杭州荣力铸锻有限公司 | Horizontal-axle type wind power main shaft of wind driven generator |
| CN106438660A (en) * | 2015-08-05 | 2017-02-22 | 江苏金源锻造股份有限公司 | Large flanged shaft for low-air-speed wind generating set and processing method of large flanged shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973510A (en) * | 2017-12-27 | 2019-07-05 | 苏州唐锟辰新能源科技有限公司 | A kind of big profile shaft and its processing method with flange |
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Application publication date: 20160309 |
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