CN104495641A - Making technology of self-discharging suspension arm pedestal driven by nine hydraulic motors - Google Patents
Making technology of self-discharging suspension arm pedestal driven by nine hydraulic motors Download PDFInfo
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- CN104495641A CN104495641A CN201410698750.0A CN201410698750A CN104495641A CN 104495641 A CN104495641 A CN 104495641A CN 201410698750 A CN201410698750 A CN 201410698750A CN 104495641 A CN104495641 A CN 104495641A
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- flange
- cylindrical shell
- welding
- pedestal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a making technology of a self-discharging suspension arm pedestal driven by nine hydraulic motors. The making technology comprises the following steps of making a flange and a cylindrical shell, preassembling and welding two steel plates with length of 2000mm, width of 4000mm and height of 50mm, carrying out numerical control cutting to obtain a first flange with an internal diameter phi of 2735mm and an external diameter phi of 3948mm, processing a groove, preassembling and welding two steel plates with length of 2100mm, width of 4000mm and height of 40mm, carrying out numerical control cutting to obtain a second flange with an internal diameter phi of 2735mm and an external diameter phi of 3962mm, processing a groove, processing nine reinforcing plates, making nine brackets, preassembling and welding a flange base, the cylindrical shell, the first flange, the second flange, the reinforcing plates and the brackets, and carrying out paint spraying. The making technology has simple processes and improves work efficiency.
Description
Technical field
The present invention relates to a kind of shipbuilding field, particularly a kind of manufacture craft by the self-unloading boom base of nine fluid motor-driven.
Background technology
Current existing boats and ships main equipment pedestal is crane pedestal, and this equipment base simple structure, is made up of flange and cylindrical shell, and barrel diameter is generally only had an appointment 2 meters, and part flange thickness is about 60mm.Existing cylindrical shell technology does not possess installation HM Hydraulic Motor, and self-unloading arm is heavy component, and weight reaches 250 tons.
Summary of the invention
The object of the invention is to overcome above deficiency, providing a kind of and making simply, the mounting process of the self-unloading boom base of increasing work efficiency.
Object of the present invention is achieved through the following technical solutions: a kind of manufacture craft by the self-unloading boom base of nine fluid motor-driven, comprises the following steps:
A, manufacturing flange: solid forging thickness is the flange pedestal of 160mm, the internal diameter of flange pedestal is φ 3950mm, and external diameter is φ 4245mm;
B, cylindrical shell make: make by the roll of steel plate that 24mm is thick the cylindrical shell that internal diameter is φ 3964mm, cylindrical shell height is 1177mm, spot welding cylindrical shell, and on cylindrical shell spot welding reinforced rib;
C, be 2000mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 50mm welding, forming internal diameter is φ 2735mm, and external diameter is first flange of φ 3948mm, and finished edge;
D, be 2100mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 40mm welding, forming internal diameter is φ 2735mm, and external diameter is second flange of φ 3962mm, and finished edge;
E, processing nine pieces of brace panels, brace panel is long is 207mm, and wide is 490mm, and height is 20mm;
F, making nine pieces of brackets;
G, by flange pedestal, cylindrical shell, the first flange, the second flange, brace panel and bracket assembly welding;
H, to spray paint.
Further improvement of the present invention is: in described steps A, the yield strength of flange pedestal forging is greater than 355N/mm
2, tensile strength is greater than 490N/mm
2, stretch ratio is greater than 21%, and in solid forging process during heat treatment, be more than or equal to tempering at 550 DEG C after normalizing, the flange pedestal after forging carries out magnetic particle inspection and ultrasonic flaw detection.
Further improvement of the present invention is: flange pedestal in described step G, cylindrical shell, first flange, second flange, when brace panel and bracket welding, first by flange pedestal and the first flange welding, leg height 7mm, then field weld cylindrical shell, then cylindrical shell and the second flange are adopted spot-welded, so that distortion when controlling barrel soldering, by brace panel and the first flange welding, again cylindrical shell is separated with the second flange, second flange is welded with brace panel, again cylindrical shell and the second flange welding are fixed again, finally by bracket respectively with cylindrical shell, second flange is fixed welding and is namely completed boom base.
The present invention compared with prior art has the following advantages: automatic unloading equipment boom base is main equipment pedestal, and it meets the function of self-unloading boom base and hydraulic drive motor pedestal simultaneously, and possesses following advantage simultaneously:
1. flange pedestal is solid forging, meets high strength and requires and 160mm thickness requirement.Common pedestal flange is steel plate splicing, and steel plate thickness is thin, and intensity is low and processing welding difficulty is large.
2. the first flange and the second flange welding and morpheme require high, and it meets the requirement of CD-ROM drive motor pedestal.And common pedestal does not have this component.
3. boom base material is high strength steel Q370qD, and oad is large, and (diameter is more than 4 meters.Common base material is ordinary steel, and oad little (diameter about 2 meters).
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Number in the figure: 1-flange pedestal, 2-cylindrical shell, 3-first flange, 4-second flange, 5-brace panel, 6-bracket.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Invention shows a kind of detailed description of the invention by the manufacture craft of the self-unloading boom base of nine fluid motor-driven as Fig. 1 shows, comprise the following steps:
A, manufacturing flange: solid forging thickness is the flange pedestal 1 of 160mm, the internal diameter of flange pedestal 1 is φ 3950mm, and external diameter is φ 4245mm;
B, cylindrical shell make: make by the roll of steel plate that 24mm is thick the cylindrical shell 2 that internal diameter is φ 3964mm, cylindrical shell height is 1177mm, spot welding cylindrical shell 2, and on cylindrical shell spot welding reinforced rib;
C, be 2000mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 50mm welding, forming internal diameter is φ 2735mm, and external diameter is first flange 3 of φ 3948mm, and finished edge;
D, be 2100mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 40mm welding, forming internal diameter is φ 2735mm, and external diameter is second flange 4 of φ 3962mm, and finished edge;
E, processing nine pieces of brace panels 5, brace panel is long is 207mm, and wide is 490mm, and height is 20mm;
F, making nine pieces of brackets 6;
G, flange pedestal 1, cylindrical shell 2, first flange 3, second flange 4, brace panel 5 and bracket 6 assembly welding to be completed;
H, to spray paint.
In the preferred described steps A of the present invention, the yield strength of flange pedestal forging is greater than 355N/mm
2, tensile strength is greater than 490N/mm
2, stretch ratio is greater than 21%, in solid forging process during heat treatment, tempering at 550 DEG C is being more than or equal to after normalizing, flange pedestal after forging carries out magnetic particle inspection and ultrasonic flaw detection, flange pedestal 1 in step G, cylindrical shell 2, first flange 3, second flange 4, when brace panel 5 and bracket 6 weld, first flange pedestal 1 is welded with the first flange 3, leg height 7mm, then field weld cylindrical shell 2, then cylindrical shell 2 and the second flange 4 are adopted spot-welded, to control distortion when cylindrical shell 2 welds, brace panel 5 is welded with the first flange 3, again cylindrical shell 2 is separated with the second flange 4, second flange 4 is welded with brace panel 5, again cylindrical shell 2 and the second flange 4 are welded and fixed again, finally by bracket 6 respectively with cylindrical shell 2, second flange 4 is fixed welding and is namely completed boom base.
The another statement of applicant, the present invention illustrates implementation method of the present invention and apparatus structure by above-described embodiment, but the present invention is not limited to above-mentioned embodiment, does not namely mean that the present invention must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, replaces and the interpolation of step, concrete way choice etc., all drop within protection scope of the present invention and scope of disclosure implementation method equivalence selected by the present invention.
The present invention is not limited to above-mentioned embodiment, and all employings and analog structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.
Claims (3)
1., by a manufacture craft for the self-unloading boom base of nine fluid motor-driven, it is characterized in that, comprise the following steps:
A, manufacturing flange: solid forging thickness is the flange pedestal (1) of 160mm, and the internal diameter of flange pedestal (1) is φ 3950mm, and external diameter is φ 4245mm;
B, cylindrical shell make: make by the roll of steel plate that 24mm is thick the cylindrical shell (2) that internal diameter is φ 3964mm, cylindrical shell height is 1177mm, spot welding cylindrical shell (2), and on cylindrical shell spot welding reinforced rib;
C, be 2000mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 50mm welding, forming internal diameter is φ 2735mm, and external diameter is first flange (3) of φ 3948mm, and finished edge;
D, be 2100mm by two block lengths, wide is 4000mm, and adopt numerical control cutting after the high prepackage of the steel plate for 40mm welding, forming internal diameter is φ 2735mm, and external diameter is second flange (4) of φ 3962mm, and finished edge;
E, processing nine pieces of brace panels (5), brace panel is long is 207mm, and wide is 490mm, and height is 20mm;
F, making nine pieces of brackets (6);
G, flange pedestal (1), cylindrical shell (2), the first flange (3), the second flange (4), brace panel (5) and bracket (6) assembly welding to be completed;
H, to spray paint.
2. a kind of manufacture craft by the self-unloading boom base of nine fluid motor-driven according to claim 1, is characterized in that: in described steps A, the yield strength of flange pedestal forging is greater than 355N/mm
2, tensile strength is greater than 490N/mm
2, stretch ratio is greater than 21%, and in solid forging process during heat treatment, be more than or equal to tempering at 550 DEG C after normalizing, the flange pedestal after forging carries out magnetic particle inspection and ultrasonic flaw detection.
3. a kind of manufacture craft by the self-unloading boom base of nine fluid motor-driven according to claim 1, it is characterized in that: flange pedestal (1) in described step G, cylindrical shell (2), first flange (3), second flange (4), when brace panel (5) and bracket (6) welding, first flange pedestal (1) is welded with the first flange (3), leg height 7mm, then field weld cylindrical shell (2), then cylindrical shell (2) and the second flange (4) are adopted spot-welded, to control distortion during cylindrical shell (2) welding, brace panel (5) is welded with the first flange (3), again cylindrical shell (2) is separated with the second flange (4), second flange (4) is welded with brace panel (5), again cylindrical shell (2) and the second flange (4) are welded and fixed again, finally by bracket (6) respectively with cylindrical shell (2), the fixing welding of second flange (4) namely completes boom base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698750.0A CN104495641B (en) | 2014-11-28 | 2014-11-28 | A kind of by the processing technology of the self-unloading boom base of nine fluid motor-driven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698750.0A CN104495641B (en) | 2014-11-28 | 2014-11-28 | A kind of by the processing technology of the self-unloading boom base of nine fluid motor-driven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104495641A true CN104495641A (en) | 2015-04-08 |
| CN104495641B CN104495641B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410698750.0A Active CN104495641B (en) | 2014-11-28 | 2014-11-28 | A kind of by the processing technology of the self-unloading boom base of nine fluid motor-driven |
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| CN (1) | CN104495641B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216870A (en) * | 1978-05-24 | 1980-08-12 | Bucyrus-Erie Company | Crane mounting |
| CN1730185A (en) * | 2005-08-12 | 2006-02-08 | 河南科隆石化装备有限公司 | Steel plate hot-rolling welded flange technique |
| US20080169257A1 (en) * | 2007-01-17 | 2008-07-17 | Itrec B.V. | Hoisting crane with annular bearing structure |
| CN201354136Y (en) * | 2009-01-22 | 2009-12-02 | 淮安远航船用设备制造有限公司 | Multifunctional crane |
| CN102328727A (en) * | 2011-06-01 | 2012-01-25 | 江苏熔盛造船有限公司 | Segmenting methods of chassis of heavy oceaneering crane of deepwater pipe-lay crane vessel |
| CN103420287A (en) * | 2012-05-24 | 2013-12-04 | 合肥神马科技集团有限公司 | Crane and slewing bearing structure thereof |
| KR20140100762A (en) * | 2013-02-06 | 2014-08-18 | (주) 대 홍 | Driving device for deck crane a ship |
-
2014
- 2014-11-28 CN CN201410698750.0A patent/CN104495641B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216870A (en) * | 1978-05-24 | 1980-08-12 | Bucyrus-Erie Company | Crane mounting |
| CN1730185A (en) * | 2005-08-12 | 2006-02-08 | 河南科隆石化装备有限公司 | Steel plate hot-rolling welded flange technique |
| US20080169257A1 (en) * | 2007-01-17 | 2008-07-17 | Itrec B.V. | Hoisting crane with annular bearing structure |
| CN201354136Y (en) * | 2009-01-22 | 2009-12-02 | 淮安远航船用设备制造有限公司 | Multifunctional crane |
| CN102328727A (en) * | 2011-06-01 | 2012-01-25 | 江苏熔盛造船有限公司 | Segmenting methods of chassis of heavy oceaneering crane of deepwater pipe-lay crane vessel |
| CN103420287A (en) * | 2012-05-24 | 2013-12-04 | 合肥神马科技集团有限公司 | Crane and slewing bearing structure thereof |
| KR20140100762A (en) * | 2013-02-06 | 2014-08-18 | (주) 대 홍 | Driving device for deck crane a ship |
Non-Patent Citations (1)
| Title |
|---|
| 王滨涛: "《焊工工艺学》", 30 September 2009, 北京：机械工业出版社 * |
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| Publication number | Publication date |
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| CN104495641B (en) | 2016-10-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Zhonghua Inventor before: Yang Lin |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160818 Address after: 226000 industrial concentration area, five town, Nantong, Jiangsu, Tongzhou District Applicant after: NANTONG RUNLI MACHINE MANUFACTURING CO., LTD. Address before: 226000 Tongzhou District City, Jiangsu Province, the town of Thean Hou Temple,, five Applicant before: Nantong Mingde Heavy Industry Co., Ltd. |
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