CN103008430B - High-pressure water jet tilting and rotating device - Google Patents
High-pressure water jet tilting and rotating device Download PDFInfo
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- CN103008430B CN103008430B CN201210591725.3A CN201210591725A CN103008430B CN 103008430 B CN103008430 B CN 103008430B CN 201210591725 A CN201210591725 A CN 201210591725A CN 103008430 B CN103008430 B CN 103008430B
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Abstract
The invention is applicable to the technical field of panel processing, and provides a high-pressure water jet tilting and rotating device which is connected with a high-pressure water pump and is capable of jetting high pressure water generated by the high-pressure water pump according to specified directions and positions. The high-pressure water jet tilting and rotating device comprises a slide plate, a water jetting mechanism, a rotating mechanism and a tilting mechanism; the water jetting mechanism comprises a water gun and a high-pressure hose, wherein the water gun is used for jetting high pressure water column, one end of the high-pressure hose is connected with the water gun, and the other end of the high-pressure hose is connected with the high-pressure water pump; the rotating mechanism, which is arranged on the slide plate, comprises a rotating shaft and an electric motor, wherein the rotating shaft is connected with the high-pressure hose and is arranged alternately with the water gun, and the electric motor drives the rotating shaft to move; and the tilting mechanism is fixedly connected with the rotating shaft and drives the water gun to be inclined to the axial direction of the rotating shaft. The slide plate is used for adjusting the position and angle of the high-pressure water jet tilting and rotating device, so that the position and the angle of the water gun can be flexibly adjusted. During the working process of the high-pressure water jet tilting and rotating device, the high-pressure water column sprayed by the water gun is substantially perpendicular to the surface of a workpiece, so as to ensure the forming efficiency and accuracy.
Description
Technical field
The invention belongs to technical field of board processing, particularly relate to a kind of high-pressure water jet and tilt and whirligig.
Background technology
High-pressure water shot progressive molding is a kind of novel metal sheet forming technology, and its Forming Theory is ejected on sheet metal with the water column with certain jet pressure, makes it produce local plastic deformation.Water jets under high pressure is moved along given path under the control of the computer, carries out progressively layering processing, until be finally shaped to part.High-pressure water jet progressive molding technology process technology sheet material has very many advantages: 1. the mouldless shaping realizing sheet metal, the time of the expense of saving design, mfg. moulding die, is applicable to very much processing and the prototype design of be pilot; 2. cost is low, and flexibility degree is high; 3. during sheet material forming, contact surface is liquid-solid, and without friction, without the need to lubrication, and pressure distribution on its contact surface is more even, and therefore surface quality of workpieces is better.
In high-pressure water jet progressive molding, time initial, water jets under high pressure is perpendicular to sheet metal surface.Along with the carrying out be shaped, water jets under high pressure is more and more less with the angle of the plate surface that needs are processed, especially when shaping wide-angle sidewall or straight walled workpieces, this phenomenon is more obvious, so both reduce the size of water jets under high pressure to the hitting power of workpiece, have impact on again forming efficiency and precision, even can not be shaped.In order to this is dealt with problems, in forming process, require that the hydraulic giant of ejection water jets under high pressure can carry out inclination and the rotary motion of certain angle, the water jets under high pressure jet making it spray and surface of the work keep vertical relation substantially, such jet energy is fully used, and ensure that forming efficiency and precision.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of high-pressure water jet to tilt and whirligig, make in high-pressure water jet progressive molding process, hydraulic giant can do inclination and the rotary motion of certain angle, the water jets under high pressure making it spray and surface of the work keep vertical relation substantially, water jets under high pressure jet energy is fully used, and ensure that forming efficiency and precision.
The embodiment of the present invention is achieved in that a kind of high-pressure water jet tilts and whirligig, is connected and sprays by assigned direction and position the water under high pressure that described high-pressure hydraulic pump produces, comprising: slide plate, be installed on high-pressure water jet progressive molding equipment with high-pressure hydraulic pump; Water spraying mechanism, the high-pressure hose that the hydraulic giant comprising ejection water jets under high pressure is connected with described hydraulic giant with one end, the described high-pressure hose other end is communicated with described high-pressure hydraulic pump; Rotating mechanism, is installed on described slide plate, comprise to be connected with described high-pressure hose and with the spaced rotating shaft of described hydraulic giant and the power motor that drives described rotating shaft to rotate; And leaning device, be fixedly linked with described rotating shaft, for the axis driving described hydraulic giant to favour described rotating shaft.
The present invention is by arranging described slide plate, and be installed on high-pressure water jet progressive molding equipment, and rotating mechanism is installed on slide plate, thus position and the angle of adjusting slider is come by high-pressure water jet progressive molding equipment, thus regulate whole described high-pressure water jet to tilt and the position of whirligig and angle, thus realize described hydraulic giant position and angle adjusts flexibly.Realized in high-pressure water jet progressive molding process by described leaning device and described leaning device, described hydraulic giant can do inclination and the rotary motion of certain angle, the water jets under high pressure making it spray and surface of the work keep vertical relation substantially, water jets under high pressure jet energy is fully used, and ensure that forming efficiency and precision.Because described rotating mechanism drives described water spraying mechanism and the motion of described leaning device, and described rotating mechanism is installed on described slide plate, then after described sledge displacement and angle are determined, described hydraulic giant position and angle is adjusted again by described rotating mechanism and leaning device, can realize in position that described in described hydraulic giant, slide plate is determined and angle, the accurate inclination carried out among a small circle is located with rotation, ensure that forming efficiency and precision better.
Accompanying drawing explanation
Fig. 1 is that a kind of high-pressure water jet that the embodiment of the present invention provides tilts and the perspective view of whirligig.
Fig. 2 is the perspective view of the internal structure of Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the structural representation of water spraying mechanism in Fig. 2, is wherein set with sleeve.
Fig. 5 is the perspective view of Fig. 2 mesohigh circulator.
Fig. 6 is the perspective view of conducting slip ring in Fig. 3.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to 1, Fig. 2 and Fig. 4, present embodiment discloses a kind of high-pressure water jet and tilt and whirligig, be connected with high-pressure hydraulic pump and the water under high pressure produced by assigned direction and position inject high pressure water pump.This device comprises: slide plate 1; Water spraying mechanism 2, the high-pressure hose 22 that the hydraulic giant 21 comprising ejection water jets under high pressure is connected with hydraulic giant 21 with one end, high-pressure hose 22 other end is communicated with high-pressure hydraulic pump; Rotating mechanism 4, is installed on slide plate 1, comprise to be connected with high-pressure hose 22 and with the spaced rotating shaft 42 of hydraulic giant 21 and the power motor 43 that drives rotating shaft 42 to rotate; And leaning device 3, be fixedly linked with rotating shaft 42, drive the hydraulic giant 21 of water spraying mechanism 2 to favour the axis of rotating shaft 42.
By arranging slide plate 1, and be installed on high-pressure water jet progressive molding equipment, and rotating mechanism 4 is installed on slide plate 1, thus by position and the angle of high-pressure water jet progressive molding equipment adjusting slider 1, thus regulate whole high-pressure water jet to tilt and the position of whirligig and angle, thus realize hydraulic giant 21 position and angle adjusts flexibly.The hydraulic giant 21 of water spraying mechanism 2 is driven to favour the axis of rotating shaft 42 by leaning device 3; By rotating shaft 42 in sleeve-shaped, be placed on high-pressure hose 22, drive rotating shaft 42 to rotate with power motor 43, and leaning device 3 and rotating shaft 42 are fixedly linked, then leaning device 3 can rotate with rotating shaft 42; Meanwhile, when high-pressure hose 42 rotates, hydraulic giant 21 can be driven to rotate together.Thus in high-pressure water jet progressive molding process, hydraulic giant 21 can do inclination and the rotary motion of certain angle, the water jets under high pressure making it spray and surface of the work keep vertical relation substantially, and water jets under high pressure jet energy is fully used, and ensure that forming efficiency and precision.Because rotating mechanism 4 drives water spraying mechanism 2 and leaning device 3 to move, and rotating mechanism 4 is installed on slide plate 1, then after slide plate 1 position and angle are determined, hydraulic giant 21 position and angle is adjusted again by rotating mechanism 4 and leaning device 3, can realize in position that hydraulic giant 21 slide plate 1 determines and angle, the accurate inclination carried out among a small circle is located with rotation, ensure that forming efficiency and precision better.
In tubular construction, and engagement sleeves is installed on high-pressure hose 22 rotating shaft 42, can play the effect of protection high-pressure hose 22.Rotating shaft 42 and hydraulic giant 21 interval are arranged, when ensureing that leaning device 3 drives hydraulic giant 21 to tilt, high-pressure hose 22 has certain range curvature.
Refer to Fig. 2 and Fig. 3, rotating mechanism 4 also comprises the power of high-pressure rotary device 41 and transmission power motor 43 to the transmission mechanism 44 on rotating shaft 42, and rotating shaft 42 rotates and is installed on slide plate 1.High-pressure hose 22 is connected with high-pressure hydraulic pump by high-pressure rotary device 41.Refer to Fig. 5, high-pressure rotary device 41 is used to be connected with high-pressure hose 22, high-pressure rotary device 41 is tubular structure on the whole, liquid is circulation in pipe, comprise tubular construction 412 and lower tubular construction 411, and this can relatively rotate between tubular construction 412 and lower tubular construction 411, its junction seals, and prevents liquid from flowing out from high-pressure rotary device 41 side.The lower tubular construction 411 of this high-pressure rotary device 41 is connected with high-pressure hose 22; upper tubular construction 412 is connected with the high-pressure hydraulic pump of high-pressure water jet progressive molding equipment; when power motor 43 drives water spraying mechanism 2 and rotating shaft 42 rotates; the lower tubular construction 411 of high-pressure rotary device 41 rotates together with high-pressure hose 22; and geo-stationary between upper tubular construction 412 and high-pressure hydraulic pump; thus high-pressure hose 22 can not be twisted, to protect high-pressure hose 22 and junction thereof.
In the present embodiment, transmission mechanism 44 comprises the driving gear 441 that is connected with the main shaft of power motor 43 and is connected and the driven gear 442 engaged with driving gear 441 with rotating shaft 42.By gear drive, accurately can determine the rotational angle of rotating shaft 42, thus accurately control the rotational angle of water spraying mechanism 2.In other embodiment, also can with other transmission mechanisms such as chain drives.
In the present embodiment, the reference circle of driving gear 441 is less than the reference circle of driven gear 442, thus plays the effect of deceleration.By gear reduction, power motor 43 makes larger rotation, and rotating shaft 42 only makes less rotation, and then controls the angle of water spraying mechanism 2 rotation better, and hydraulic giant 21 is more accurately located.
Transmission mechanism 44 also comprises power transmission shaft 443, and power transmission shaft 443 is connected with power motor 43 main shaft by shaft coupling 444, and driving gear 441 is installed on power transmission shaft 443, and power transmission shaft 443 rotates and is installed on slide plate 1.Driven gear 442 is installed on rotating shaft 42.Power motor 43 is fixed on slide plate 1, for ensureing the stability of its spindle drive, by shaft coupling 444, main shaft is connected with a power transmission shaft 443, driving gear 441 is fixed on power transmission shaft 443, by clutch shaft bearing seat 445 and clutch shaft bearing 446, power transmission shaft 443 is installed on slide plate 1, clutch shaft bearing 446 is sleeved on power transmission shaft 443, and clutch shaft bearing seat 445 is connected with the outer ring of clutch shaft bearing 446 and is fixed on slide plate 1.Thus prevent power transmission shaft 443 stressed and rock, connected by this clutch shaft bearing 446 on the other hand and also ensure that power transmission shaft 443 can rotate well.In the present embodiment, use two cover clutch shaft bearing seats 445 and clutch shaft bearing 446 to be installed on slide plate 1 by power transmission shaft 443, two cover clutch shaft bearing seats 445 and clutch shaft bearing 446 are arranged at the two ends of power transmission shaft 443 respectively.In other embodiments, if power motor 43 main shaft is longer, also directly driving gear 441 can be connected with power motor 43 main shaft, and this clutch shaft bearing seat 445 and clutch shaft bearing 446 are installed on power motor 43 main shaft.In same the present embodiment, the second bearing block 421 and the second bearing 422 is used to be installed on slide plate 1 by rotating shaft 42, second bearing 422 is sleeved on rotating shaft 42, second bearing block 421 is connected with the outer ring of the second bearing 422 and is fixed on slide plate 1, ensures the rotation of rotating shaft 42 and prevents rocking of rotating shaft 42; Simultaneously, use the second bearing block 421 and the second bearing 422 also can play the effect of supporting rotating shaft 42, in the present embodiment, use two cover the second bearing blocks 421 and the second bearing 422 to be installed on slide plate 1 by rotating shaft 42, the two ends of rotating shaft 42 are located at respectively by two cover the second bearing blocks 421 and the second bearing 422.In other embodiment, also otherwise rotating shaft 42 can be rotated and be installed on slide plate 1, as with fixture support rotating shaft 42 with holes, and rotating shaft 42 be rotated in this hole.
In the present embodiment, by arranging a plate 45, connecting plate 45 and rotating shaft 42 are fixedly linked, then the drive motors 322 of leaning device 3 is fixed with connecting plate 45, thus leaning device 3 is installed on rotating shaft 42.When rotating shaft 42 rotates, leaning device 3 can be driven to rotate.
Further, refer to Fig. 2, Fig. 3 and Fig. 6, this high-pressure water jet tilts also to comprise with whirligig and is installed on rotating shaft 42 and the conducting slip ring 6 be electrically connected with leaning device 3.Conducting slip ring 6 comprises the fixed ring 62 that fixed cover is loaded on the rotating ring 61 on rotating shaft 42 and is electrically connected with this rotating ring 61, and this fixed ring 62 is slided with rotating ring 61 and is connected.Be electrically connected with leaning device 3 by conducting slip ring 6, thus leaning device 3 controlled and power supply is provided, thus be convenient to wiring.The fixed ring 62 of conducting slip ring 6 is connected with the power supply of high-pressure water jet progressive molding device, and fixed ring 62 and rotating ring 61 can relative slidings, then slide plate 1 is static relatively can to ensure fixed ring 62.The rotating ring 61 of conducting slip ring 6 rotates together with the rotating shaft 42 of rotating mechanism 4; and leaning device 3 and rotating shaft 42 are fixedly linked; then leaning device 3 and rotating ring 61 also geo-stationary, connects rotating ring 61 and the wire of leaning device 3 to protect, ensures the reliability service of leaning device 3.In this practical example, two cover conducting slip rings 6 are used to be electrically connected with leaning device 3.Same conducting slip ring 6 also can only with a set of, rotating ring 61 is radially set to sandwich construction, to provide different electrical connection paths respectively, and fixed ring 62 is also corresponding is set to the sandwich construction corresponding with rotating ring 61, and the respective layer of fixed ring 62 is electrically connected with equivalent layer on rotating ring 61.In other embodiment, fixed ring 62 also can replace with slide block, is slided, and be electrically connected with rotating ring 61 by slide block on rotating ring 61.
Refer to Fig. 3 and Fig. 4, leaning device 3 comprises and being set on high-pressure hose 22 and the hard sleeve 31 be fixedly linked with hydraulic giant 21 and drive hard sleeve 31 to favour the tilt drive mechanism 32 of rotating shaft 42 axis, and hard sleeve 31 and rotating shaft 42 interval are arranged.High-pressure hose 22 when normal not by being generally a straight tube when external force, its one end is connected with hydraulic giant 21, by being set with hard sleeve 31 on high-pressure hose 22, driving hard sleeve 31 to move thus high-pressure hose 22 is bent, with the axis driving hydraulic giant 21 to favour rotating shaft 42.Hard sleeve 31 is fixedly linked by a connecting seat 311 and hydraulic giant 21, and hard sleeve 31 is moved together with hydraulic giant 21, in case at hydraulic giant 21 in movement, this junction is rocked and unclamps or breakage.
In the present embodiment, tilt drive mechanism 32 comprises the holder 321 be connected with hard sleeve 31 and the drive motors 322 driving holder 321 movement.Drive holder 321 to move back and forth by drive motors 322, thus band moving sleeve 31 swing back and forth.During beginning, high-pressure hose 22 is not by external force, become straight tube state, holder 321 is positioned at home position, when drive motors 322 drives holder 321 to leave its home position one segment distance, then holder 321 can drive hard sleeve 31, high-pressure hose 22 and hydraulic giant 21 axially to tilt with water spraying mechanism 2, and makes hard sleeve 31 move this segment distance by home position with holder 321 with the tie point of holder 321, thus makes hydraulic giant 21 do the inclination of certain angle.This tilt drive mechanism 32 also comprises decelerator 323, and the two ends of decelerator 323 are connected with holder 321 with drive motors 322 respectively.Arrange decelerator 323, drive motors 322 makes larger motion, and less movement only made by holder 321, thus controls the angle of hydraulic giant 21 inclination better, and hydraulic giant 21 is more accurately located.Particularly, in the present embodiment, decelerator 323 is worm type of reduction gearing, by worm type of reduction gearing, can decelerating effect be played, also the rotation of drive motors 322 can be transferred to and take back rectilinear motion, reduce high-pressure water jet inclination and the volume of whirligig, its structure is tightlier urged.In other embodiment, also hard sleeve 31 can be driven to move, as cylinder etc. with other tilt drive mechanism 32.
Further, refer to Fig. 1, Fig. 2 and Fig. 3, this high-pressure water jet tilts also to comprise with whirligig the proof mechanism of water 5 that the water column that prevents hydraulic giant 21 from spraying sputters, and proof mechanism of water 5 is connected with leaning device 3.Because water jets under high pressure impacts sheet metal, produce the splashing of a large amount of spray, getting rusty and corrosion of the strength member such as platen, kinematic axis can be caused.Proof mechanism of water 5 is set, the water splash after acting on processing work with the water jets under high pressure preventing water rifle 21 from spraying, is splashed to high-pressure water jet and tilts and other position of whirligig or other position of high-pressure water jet progressive molding equipment.This anti-locking mechanism comprises waterproof Connection Block 51, be installed on bucker 52 on waterproof Connection Block 51 and retainer ring 53.Spilling of spray is prevented by bucker 52.
Slide plate 1 is also provided with some dust excluding plates 11, some dust excluding plates 11 is fixedly connected with slide plate 1, and forms a cavity, rotating mechanism 4 is placed in this cavity, can prevent the spray of dust and processing from dropping on rotating mechanism 4.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. high-pressure water jet tilts and a whirligig, is connected and sprays by assigned direction and position the water under high pressure that described high-pressure hydraulic pump produces, it is characterized in that, comprising with high-pressure hydraulic pump:
Slide plate, is installed on high-pressure water jet progressive molding equipment;
Water spraying mechanism, the high-pressure hose that the hydraulic giant comprising ejection water jets under high pressure is connected with described hydraulic giant with one end, the described high-pressure hose other end is communicated with described high-pressure hydraulic pump;
Rotating mechanism, is installed on described slide plate, comprise to be connected with described high-pressure hose and with the spaced rotating shaft of described hydraulic giant and the power motor that drives described rotating shaft to rotate; And
Leaning device, is fixedly linked with described rotating shaft, for the axis driving described hydraulic giant to favour described rotating shaft;
Described leaning device comprises and being set on described high-pressure hose and the hard sleeve be fixedly linked with described hydraulic giant and drive described hard sleeve to favour the tilt drive mechanism of described rotating shaft axis, and described hard sleeve and described new ro-tational axis are arranged.
2. high-pressure water jet as claimed in claim 1 tilts and whirligig, it is characterized in that: described rotating mechanism also comprises high-pressure rotary device and transmits the transmission mechanism of power to described rotating shaft of described power motor, described rotating shaft rotates and is installed on described slide plate, and described high-pressure hose is connected with described high-pressure hydraulic pump by described high-pressure rotary device.
3. high-pressure water jet as claimed in claim 2 tilts and whirligig, it is characterized in that: described transmission mechanism comprises the driving gear that is connected with the main shaft of described power motor and is connected with described rotating shaft and the driven gear engaged with described driving gear.
4. high-pressure water jet as claimed in claim 3 tilts and whirligig, it is characterized in that: described transmission mechanism also comprises power transmission shaft, described power transmission shaft is connected with described power motor main shaft by shaft coupling, described driving gear is installed on described power transmission shaft, and described drive axis is installed on described slide plate.
5. high-pressure water jet as claimed in claim 2 tilts and whirligig, it is characterized in that: also comprise and being installed on described rotating shaft and the conducting slip ring be electrically connected with described leaning device.
6. high-pressure water jet as claimed in claim 5 tilts and whirligig, and it is characterized in that: described conducting slip ring comprises the fixed ring that fixed cover is loaded on the rotating ring on described rotating shaft and is electrically connected with described rotating ring, described fixed ring is slided with described rotating ring and is connected.
7. high-pressure water jet as claimed in claim 1 tilts and whirligig, it is characterized in that: described tilt drive mechanism comprises the holder be connected with described sleeve and the drive motors driving described holder movement.
8. high-pressure water jet as claimed in claim 7 tilts and whirligig, and it is characterized in that: described tilt drive mechanism also comprises decelerator, the two ends of described decelerator are connected with described holder with described drive motors respectively.
9. high-pressure water jet as described in any one of claim 1-6 tilts and whirligig, it is characterized in that: also comprise the proof mechanism of water that the water column that prevents described hydraulic giant from spraying sputters, described proof mechanism of water is connected with described leaning device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591725.3A CN103008430B (en) | 2012-12-31 | 2012-12-31 | High-pressure water jet tilting and rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210591725.3A CN103008430B (en) | 2012-12-31 | 2012-12-31 | High-pressure water jet tilting and rotating device |
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| CN103008430A CN103008430A (en) | 2013-04-03 |
| CN103008430B true CN103008430B (en) | 2015-05-20 |
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| CN201210591725.3A Active CN103008430B (en) | 2012-12-31 | 2012-12-31 | High-pressure water jet tilting and rotating device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103433346A (en) * | 2013-09-03 | 2013-12-11 | 深圳市康铖机械设备有限公司 | Small-sized numerically-controlled five-axis linkage vertical type high-pressure water forming machine |
| CN104722428B (en) * | 2015-02-28 | 2016-09-14 | 山东科技大学 | A kind of for magnesium alloy sheet instrument rotation progressive molding device |
| CN105107669B (en) * | 2015-09-15 | 2017-11-21 | 桂林电子科技大学 | Rotary atomization device |
| CN106140748B (en) * | 2016-08-05 | 2018-04-10 | 陕西师范大学 | A kind of pipeline cleaning workbench |
| CN106759352B (en) * | 2017-02-16 | 2019-11-08 | 广东精铟海洋工程股份有限公司 | A kind of offshore platform shoe water injector with turning function |
| CN106869127B (en) * | 2017-02-16 | 2019-06-07 | 广东精铟海洋工程股份有限公司 | A kind of offshore platform shoe water injector with pressurization spray head |
| CN107354289B (en) * | 2017-06-20 | 2018-10-19 | 山东科技大学 | A kind of equipment reducing weld residual stress using high-pressure water jet |
| CN112772369B (en) * | 2021-02-06 | 2022-09-06 | 郑州航空工业管理学院 | Automatic water storage sprinkling irrigation device for landscape gardens |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08126998A (en) * | 1994-10-28 | 1996-05-21 | Shibuya Kogyo Co Ltd | Deburring device |
| US7464630B2 (en) * | 2001-08-27 | 2008-12-16 | Flow International Corporation | Apparatus for generating and manipulating a high-pressure fluid jet |
| US7331842B2 (en) * | 2004-08-19 | 2008-02-19 | Flow International Corporation | Contour follower for tool |
| CN201325091Y (en) * | 2008-12-22 | 2009-10-14 | 陈涛 | Nozzle structure of water-jet cutting machine |
| KR101066264B1 (en) * | 2011-05-26 | 2011-09-21 | (주)피엠에스 | Device cutting type curve for steel body blast furnace |
| CN102513434B (en) * | 2011-11-29 | 2014-05-21 | 中国科学院深圳先进技术研究院 | Spray head tilting mechanism |
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