CN102556837B - Lifting hook manufactured by adopting large-thickness fine-cutting technology and large-section friction welding method - Google Patents
Lifting hook manufactured by adopting large-thickness fine-cutting technology and large-section friction welding method Download PDFInfo
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- CN102556837B CN102556837B CN201110447356.6A CN201110447356A CN102556837B CN 102556837 B CN102556837 B CN 102556837B CN 201110447356 A CN201110447356 A CN 201110447356A CN 102556837 B CN102556837 B CN 102556837B
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- suspension hook
- friction welding
- lifting hook
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Abstract
The invention discloses a lifting hook manufactured by adopting a large-thickness fine-cutting technology and a large-section friction welding method. A whole blank is forged and looks like a reverse T shape during conventional production for large lifting hooks in China, so that the large lifting hooks are difficult to forge; therefore, extremely high processing allowance is retained to mechanical cold processing by blank forging; and a lifting hook finished product is formed by performing cold-processing by a numerical control lathe and a numerical control milling machine. The lifting hook comprises a lifting hook rod (1) and a lifting hook head (2), wherein the lifting hook rod is welded with the lifting hook head through friction welding. At first, premachining is performed; a numerical control flame cutting machine is used for automatically performing fine-cutting to form the lifting hook head according to an appearance and the outline of the lifting hook by using the large-thickness fine-cutting technology; a large friction welding machine is used for welding the lifting hook rod and the lower lifting hook head by using the large-section friction welding method; turnup burrs extruded by friction welding are removed, and little machining shaping is performed, so that then the lifting hook is finally formed. The lifting hook is manufactured by adopting the friction welding method.
Description
technical field:
invention relates to a kind of for the suspension hook adopting heavy thickness essence incision technology, big cross section friction welding method manufactures.
background technology:
suspension hook is the important composition parts of weight-lifting equipment, and existing traditional handicraft is solid forging and is completed by cold machining process.General traditional handicraft manufactures suspension hook following problem usually: process for machining and manufacturing is complicated, and cost is high, and the cycle is long.
oil press or hydraulic press are forged into blank, due to suspension hook complex-shaped forging difficulty, are that 1 ~ 2 times of common forgings is about 30,000 per ton.Forging Technology is open die forging, and finishing allowance is large.Suspension hook manufacturing process adopts cool working completely, and need large-sized numerical control lathe and large-sized numerical control milling machine, cost long in time limit is high.
china's tradition jumbo hooks is produced and is fallen T-shaped for solid forging goes out blank such as, shape as one, forge very difficult, thus to leave mechanical cold worked stock left for machining for very large for forging blank, carry out being cold worked into suspension hook finished product with digital controlled lathe, CNC milling machine again, processing capacity is large, man-hour is many, tooling cost is high.
summary of the invention:
the object of invention is to provide a kind of suspension hook adopting heavy thickness essence incision technology, the manufacture of big cross section friction welding method.
above-mentioned object is realized by following technical scheme:
adopt the suspension hook of heavy thickness essence incision technology, the manufacture of big cross section friction welding method, its composition comprises: suspension hook bar, suspension hook head, linked together by friction welding between described suspension hook bar and described suspension hook head, first preparative treatment is carried out, utilize NC flame cutting machine, automatically utilize heavy thickness essence incision technology essence to cut out suspension hook head by suspension hook appearance curve; Then utilize large-scale friction welding machine, adopt big cross section friction welding method by the suspension hook head weld together of suspension hook bar and bottom; Finally dispel the flanging burr that friction welding extrudes, a small amount of machine up shaping, complete and be finally finish-machined to suspension hook.
the suspension hook that described employing heavy thickness essence incision technology, big cross section friction welding method manufacture, described preparative treatment is: the suspension hook bar first manufacturing separately top according to designing requirement, becomes Bar material blank or directly adopt hot rolled circular steel to make suspension hook bar portion according to design suspension hook bar portion size by suspension hook bar portion size finish forge; The suspension hook head of bottom is caused the suspension hook capillus base of oval cheese by designing requirement finish forge or utilizes the heavy thickness hot rolled steel plate rolling of thickness 200-600 millimeter.
the suspension hook that described employing heavy thickness essence incision technology, big cross section friction welding method manufacture, the friction welding coefficient 200-500 of described large-scale friction welding machine, described NC flame cutting thickness 200-600 millimeter, described suspension hook head has gib head.
beneficial effect:
1. the present invention adopts the hook head portions of heavy thickness flame essence cutting process processing suspension hook, and adopt hot rolled circular steel or finish forge production and processing suspension hook bar portion, adopt big cross section friction welding technological welded suspending hook, this kind of method is FA welding method.
2. suspension hook bar and suspension hook head are carried out split manufacture by the present invention, then high-power friction welding machine weld together is again utilized, so both overcome the disadvantage that existing producer exists, again save the cost of investment and material cost 25-40% and productive costs 40% that add man-hour.
3. the present invention directly utilizes heavy thickness rolled sheet, or finish forge heavy thickness workpiece, and essence cuts out suspension hook head profile; Heavy thickness flame essence is cut and can be reached 1 meter, and precision can reach Nippon Standard 1 grade i.e. one of squareness percentage being less than thickness of workpiece.
4. the present invention manufactures the more original technique of suspension hook and significantly reduces machining period.Reduce costs 50%, have a great economic significance, have good popularization.
5. the present invention utilizes high-power friction welding machine, suspension hook bar, the friction of suspension hook head has been reached and mother metal equal strength, even higher than the intensity of mother metal solder together welding quality.
6. the present invention can directly utilize the bar of hot rolled circular steel rod or finish forge to process suspension hook bar blank, and not only saving of labor but also material-saving, save material and reach more than 40%.
7. the suspension hook shank diameter that the present invention can process reaches 200 millimeters, has exceeded existing Weldability from far away.
8. the Lifting Capacity of finished product that processes of the present invention is more much larger than the Lifting Capacity of existing Forging Parts.
accompanying drawing illustrates:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is left views of accompanying drawing 1.
accompanying drawing 3 is structural representations of suspension hook head in accompanying drawing 1.
the certification of the high-power friction welding of accompanying drawing 4 weak standardized processing workpiece quality is reported.
detailed description of the invention:
embodiment 1:
adopt the suspension hook of heavy thickness essence incision technology, the manufacture of big cross section friction welding method, its composition comprises: suspension hook bar 1, suspension hook head 2, linked together by friction welding between described suspension hook bar and described suspension hook head, first preparative treatment is carried out, utilize NC flame cutting machine, automatically utilize heavy thickness essence incision technology essence to cut out suspension hook head by suspension hook appearance curve; Then utilize large-scale friction welding machine, adopt big cross section friction welding method by the suspension hook head weld together of suspension hook bar and bottom; Finally dispel the flanging burr that friction welding extrudes, a small amount of machine up shaping, complete and be finally finish-machined to suspension hook.
embodiment 2:
the suspension hook that embodiment 1 utilizes heavy thickness essence incision technology, big cross section friction welding method manufactures, described preparative treatment is: the suspension hook bar first manufacturing separately top according to designing requirement, becomes Bar material blank or directly adopt hot rolled circular steel according to design suspension hook bar portion size by suspension hook bar portion size finish forge; The suspension hook head of bottom is caused the suspension hook capillus base of oval cheese by designing requirement finish forge or utilizes the heavy thickness hot rolled steel plate rolling of thickness 200-600 millimeter.Described suspension hook head has gib head 3.
embodiment 3:
one utilizes heavy thickness essence incision technology, big cross section friction welding method makes suspension hook, manufactures separately the suspension hook bar on top according to designing requirement, becomes Bar material blank or directly adopt hot rolled circular steel according to design suspension hook bar portion size by suspension hook bar portion size finish forge; Only need finish forge to cause the suspension hook capillus base of oval cheese by designing requirement on the suspension hook head of bottom or utilize the heavy thickness hot rolled steel plate rolling of thickness 200-600 millimeter; Then utilize the ZCGS-4000 NC flame cutting machine that Harbin Zheng Chen company produces, automatically cut out suspension hook head by suspension hook appearance curve essence; Then the large-scale friction welding machine of ZCC-500 that Harbin Zheng Chen company produces is utilized, by the suspension hook head weld together of suspension hook bar and bottom; Finally dispel the flanging burr that friction welding extrudes, a small amount of machine up shaping, complete and be finally finish-machined to suspension hook.
embodiment 4:
described in embodiment 3 utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 200-500 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 200-600 millimeter.
embodiment 5:
described in above-described embodiment utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 250 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 250 millimeters.
embodiment 6:
described in above-described embodiment utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 300 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 300 millimeters.
embodiment 7:
described in above-described embodiment utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 400 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 400 millimeters.
embodiment 8:
described in above-described embodiment utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 450 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 450 millimeters.
embodiment 9:
described in above-described embodiment utilize heavy thickness essence incision technology, big cross section friction welding method, the friction welding coefficient 350 of the large-scale friction welding machine of described ZCC-500, described ZCGS-4000 NC flame cutting thickness 350 millimeters.
embodiment 10:
the suspension hook utilizing heavy thickness essence incision technology, big cross section friction welding method and manufacture described in above-described embodiment, the welding quality of the weak specification of friction welding is adopted to reach and mother metal equal strength through test specimen checking, even higher than mother metal, through authoritative institution's Harbin institute of welding qualification, test specimen mechanics properties testing report conclusion: intensity is qualified, metallurgical analysis report conclusion: coarse-grain test evaluation is qualified.
Claims (1)
1.
a kind of suspension hook adopting heavy thickness essence incision technology, the manufacture of big cross section friction welding method, its composition comprises: suspension hook bar, suspension hook head, it is characterized in that: linked together by friction welding between described suspension hook bar and described suspension hook head, first preparative treatment is carried out, utilize NC flame cutting machine, automatically utilize heavy thickness essence incision technology essence to cut out suspension hook head by suspension hook appearance curve; Then utilize large-scale friction welding machine, adopt big cross section friction welding method by the suspension hook head weld together of suspension hook bar and bottom; Finally dispel the flanging burr that friction welding extrudes, a small amount of machine up shaping, complete and be finally finish-machined to suspension hook;
described preparative treatment is: the suspension hook bar first manufacturing separately top according to designing requirement, becomes Bar material blank or directly adopt hot rolled circular steel according to design suspension hook bar portion size by suspension hook bar portion size finish forge; The suspension hook head of bottom is caused the suspension hook capillus base of oval cheese by designing requirement finish forge or utilizes the heavy thickness hot rolled steel plate rolling of thickness 200-600 millimeter;
the friction coefficient 200-500 of described large-scale friction welding machine, described NC flame cutting thickness 200-600 millimeter, described suspension hook head has gib head;
the suspension hook shank diameter of processing reaches 200 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447356.6A CN102556837B (en) | 2011-12-28 | 2011-12-28 | Lifting hook manufactured by adopting large-thickness fine-cutting technology and large-section friction welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447356.6A CN102556837B (en) | 2011-12-28 | 2011-12-28 | Lifting hook manufactured by adopting large-thickness fine-cutting technology and large-section friction welding method |
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| Publication Number | Publication Date |
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| CN102556837A CN102556837A (en) | 2012-07-11 |
| CN102556837B true CN102556837B (en) | 2015-01-07 |
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| CN201110447356.6A Active CN102556837B (en) | 2011-12-28 | 2011-12-28 | Lifting hook manufactured by adopting large-thickness fine-cutting technology and large-section friction welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044307A (en) * | 2017-12-01 | 2018-05-18 | 宝鼎科技股份有限公司 | large high-strength alloy steel hook forging and processing method |
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|---|---|---|---|---|
| CN103071979A (en) * | 2013-01-18 | 2013-05-01 | 万向钱潮传动轴有限公司 | Shaping process of spline shaft fork blank |
| CN103447775B (en) * | 2013-09-16 | 2014-08-13 | 山东神力索具有限公司 | Processing technology of single hook |
| CN103482467A (en) * | 2013-09-24 | 2014-01-01 | 常熟市永固起重设备安装工程有限公司 | High-hardness lifting hook |
| CN103612070B (en) * | 2013-11-14 | 2014-08-13 | 山东神力索具有限公司 | Manufacturing process of sling hooks |
| CN104801747A (en) * | 2014-01-26 | 2015-07-29 | 上海国上机电科技有限公司 | Multi-plane processing technology of lifting hook for hoisting machine |
| CN104400357A (en) * | 2014-11-24 | 2015-03-11 | 苏州市福迈精密机械有限公司 | Machining process for connecting rod weldments |
| CN109433984B (en) * | 2018-12-29 | 2020-02-07 | 天津重型装备工程研究有限公司 | All-fiber profiling forging forming method for multi-claw component |
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| US4487442A (en) * | 1982-09-29 | 1984-12-11 | W. W. Patterson Company | Pelican hook assemblies and methods of manufacturing the same |
| CN101648333A (en) * | 2009-06-26 | 2010-02-17 | 上海重型机械工程成套有限公司 | Manufacturing method of large-tonnage combined lifting hook |
| CN201873464U (en) * | 2010-11-29 | 2011-06-22 | 广西玉柴重工有限公司 | Baseplate frame lifting appliance |
| CN202080816U (en) * | 2011-04-29 | 2011-12-21 | 杭州荣力铸锻有限公司 | Bidirectional hanging hook of industrial crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2612431B2 (en) * | 1995-05-10 | 1997-05-21 | 大成プレハブ株式会社 | Ball removal hook |
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|---|---|---|---|---|
| US4487442A (en) * | 1982-09-29 | 1984-12-11 | W. W. Patterson Company | Pelican hook assemblies and methods of manufacturing the same |
| CN101648333A (en) * | 2009-06-26 | 2010-02-17 | 上海重型机械工程成套有限公司 | Manufacturing method of large-tonnage combined lifting hook |
| CN201873464U (en) * | 2010-11-29 | 2011-06-22 | 广西玉柴重工有限公司 | Baseplate frame lifting appliance |
| CN202080816U (en) * | 2011-04-29 | 2011-12-21 | 杭州荣力铸锻有限公司 | Bidirectional hanging hook of industrial crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108044307A (en) * | 2017-12-01 | 2018-05-18 | 宝鼎科技股份有限公司 | large high-strength alloy steel hook forging and processing method |
| CN108044307B (en) * | 2017-12-01 | 2019-12-31 | 宝鼎科技股份有限公司 | Large high-strength alloy steel hook forging and machining method |
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| CN102556837A (en) | 2012-07-11 |
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