CN100588925C - Slab caster two cold nozzle impact measuring system - Google Patents

Slab caster two cold nozzle impact measuring system Download PDF

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Publication number
CN100588925C
CN100588925C CN200710188516A CN200710188516A CN100588925C CN 100588925 C CN100588925 C CN 100588925C CN 200710188516 A CN200710188516 A CN 200710188516A CN 200710188516 A CN200710188516 A CN 200710188516A CN 100588925 C CN100588925 C CN 100588925C
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China
Prior art keywords
nozzle
value sensor
power value
waterproof
screw nut
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Expired - Fee Related
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CN200710188516A
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Chinese (zh)
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CN101187587A (en
Inventor
左水利
李强
李彦峰
李江
赵敏
迟凤志
鹿艳
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China National Heavy Machinery Research Institute Co Ltd
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CHINA HEAVY MACHINERY INSTITUTE
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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention belongs to the metallurgical equipment field, which relates to a testing system for an impact force of a secondary cooling nozzle of a slab caster. The invention is characterized in thata waterproof strain type micro force value sensor (8) is fixed on a sensing shift mechanism, the waterproof strain type micro force value sensor (8) is driven to shift to a testing position through the sensing shift mechanism, a nozzle is fixed on a nozzle shifting mechanism, a nozzle (3) is arranged downwards, the nozzle (3) is shifted to the upper portion of the waterproof strain type micro force value sensor (8) through the nozzle (3) shifting mechanism, the nozzle (3) sprays water, the waterproof strain type micro force value sensor (8) is driven to shift through the sensing shift mechanism, a strain type electric signal is produced by a spraying percussive force in different space which is given by the waterproof strain type micro force value sensor (8), the signal is amplified through a signal conditioner 10, a data which is output by the signal conditioner 10 is transmitted to a data collecting and analyzing unit (11) of a computer, and an inundation distributing graph of three-dimensional water spraying percussive force is given. The invention can accurately measure the percussive force characteristics of a nozzle, which improves measuring accuracy and reduces measuring cost.

Description

Slab caster two cold nozzle impact measuring system
Technical field
The invention belongs to field of metallurgical equipment, relate to a kind of slab caster two cold nozzle impact measuring system.
Background technology
At present, manual test is all adopted in the nozzle impact test at home, and as strain gauge being fixed on the place that needs the gaging nozzle impulsive force, the counter stress sensing data is gathered.After this point measurement was finished, the position of manual setting strain gauge was aimed at other place of nozzle impact and is repeated above-mentioned measurement.Because the effective measuring area that nozzle impacts is limited, a large amount of accurate layout strain gauges are unlikely.The measuring accuracy that this just makes single-point move or a spot of a few point measurement provides is relatively poor, and the measurement cost strengthens, the time cycle is long.
Summary of the invention
The purpose of this invention is to provide a kind of slab caster two cold nozzle impact measuring system, it is the impulsive force characteristic of gaging nozzle accurately, improves measuring accuracy, reduces and measures cost.
The object of the present invention is achieved like this, design a kind of slab caster two cold nozzle impact measuring system, it is characterized in that: which comprises at least nozzle moving mechanism, nozzle 3, signal conditioner 10, computer data acquiring and analytic unit 11, waterproof strain decline power value sensor 8 and sensing travel mechanism, the waterproof strain power value sensor 8 that declines is fixed in the sensing travel mechanism, drives the waterproof strain power value sensor 8 that declines by sensing travel mechanism and moves to the detection position; Nozzle 3 is fixed on the nozzle moving mechanism, nozzle 3 is downward, by the decline top of power value sensor 8 of nozzle moving mechanism moving nozzle 3 to waterproof strain, nozzle 3 water sprays, driving the waterproof strain power value sensor 8 that declines by sensing travel mechanism moves and provides the strain-type electric signal that different spaces water spray impulse force produces, signal output data after signal conditioner 10 processing and amplifying is given computer data acquiring and analytic unit 11, provides three-dimensional water spray impulse force big flood distribution plan.
Described nozzle moving mechanism comprises nozzle transverse moving mechanism 2, nozzle reciprocating mechanism 12, nozzle mobile guide feed rod 1, feed screw nut 14, drive motor 13 and rack-and-pinion 18 at least; About two nozzle mobile guide feed rods 1 be fixed on the support body perpendicular to surface level, nozzle transverse moving mechanism 2 is connected with feed screw nut 14 along screw mandrel, perpendicular to the fixing a plurality of connecting links of feed screw nut 14, be nozzle 3 below the connecting link on feed screw nut 14, nozzle 3 spouts are downward; Nozzle 3 is supported on the cross-brace frame by nozzle transverse moving mechanism 2, be connected with nozzle reciprocating mechanism 12 by rack-and-pinion 18 in the middle of the cross-brace frame, cross-brace frame two ends have guide groove to be connected with nozzle mobile guide feed rod 1, when nozzle transverse moving mechanism 2 moves up and down, drive motor 13 driven wheel tooth bars 18 move up and down the cross-brace frame under nozzle mobile guide feed rod 1 guiding, drive nozzle 3 to assigned address.
Described sensing travel mechanism comprises that at least vertical stepper motor 20, precision vertically move measuring mechanism 7, accurate laterally traverse measurement mechanism 17, horizontal stepper motor 6, driving belt 16 and support frame 9, support frame 9 tops are connected precision by feed rod 4 with horizontal mobile leading screw 5 and vertically move measuring mechanism 7, horizontal mobile leading screw 5 rotates and drives precisions and vertically move measuring mechanism 7 and laterally move, and feed rod 4 vertically moves horizontal guiding when mobile of measuring mechanism 7 for precision; Horizontal stepper motor 6 drives driving belt 16 and drives horizontal mobile leading screw 5 rotations.
Described precision vertically moves measuring mechanism 7 lower ends screw and orienting sleeve, and the upper end vertically moves feed screw nut 19, vertically moves feed screw nut 19 1 ends and connects vertical stepper motor 20; Screw and orienting sleeve and feed rod 4 and horizontal mobile leading screw 5 supporting transverse design, vertically move feed screw nut 19 and be socketed with the waterproof strain power value sensor 8 that declines, drive vertical stepper motor 20 and drive and vertically move feed screw nut 19 and rotate, the waterproof strain of socket power value sensor 8 leading screw that is along the longitudinal movement that declines moves forward and backward.
Described nozzle transverse moving mechanism 2 one sides are connected with handwheel 15.
Described nozzle 3 is between 1-3.
Described waterproof strain declines the distance of power value sensor 8 and nozzle 3 between 100~500mm.
Described sensing travel mechanism mobile space is 0~2000mm at directions X, is between 0~200mm in the Y direction.
The present invention can measure the size and the regularity of distribution of the interior impulsive force of effective jeting area of single-nozzle or the combination of a plurality of nozzle automatically.Shock sensors is installed on the traverse measuring device of an autoscan, accurate positioning, is carried out the impact force measurements of transversal scanning, longitudinal scanning or optional position in measured zone by the computer control traverse measuring device.Measurement data is by computer acquisition and processing.Computer data acquiring and analytic system can generate three-dimensional impulsive force distribution plan to measurement data, also can generate the two-dimensional impact force curve of different tangent planes, provide statistic analysis result automatically, with the form stored data or the printing data report form of database.
Impact force measurements sensor of the present invention is the waterproof strain power value sensor that declines, and the survey area of sensor is 4cm 2, precision 0.1%, signal conditioner is the Dynamic High-accuracy strain amplifier, control system is made up of PLC and host computer two parts.Data acquisition and processing (DAP) software is developed with VB6.0 on the Windons2000 platform, measurement data is stored with Microsoft's ACESS database format and is exported, the three-dimensional distribution map of exportable each measurement point impulsive force numerical value, impulsive force and vertical, horizontal tangent plane impulsive force curve.
The horizontal traverse measurement of precision of the present invention mechanism is made up of support frame 9, horizontal mobile leading screw 5, horizontal stepper motor 6, belt gear 16 etc.Vertical accurate traverse measurement mechanism comprises at least and vertically moves feed screw nut 19, vertical stepper motor 20 etc.; The pitch of horizontal and vertical movement is 20mm, has guaranteed that like this free of discontinuities of impulsive force in the effective measuring area is measured.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the embodiment of the invention 1 structural representation.
Among the figure: 1, nozzle mobile guide feed rod; 2, nozzle transverse moving mechanism; 3, nozzle; 4, feed rod; 5, horizontal mobile leading screw; 6, stepper motor; 7, precision vertically moves measuring mechanism; 8, the waterproof strain power value sensor that declines; 9, support frame; 10, signal conditioner; 11, computer data acquiring and analytic unit; 12, nozzle reciprocating mechanism; 13, drive motor; 14, feed screw nut; 15, handwheel; 16, driving belt; 17, accurate laterally traverse measurement mechanism; 18, rack-and-pinion; 19, vertically move feed screw nut; 20, vertical stepper motor.
Embodiment
As shown in Figure 1, it comprises nozzle moving mechanism, nozzle, signal conditioner 10, computer data acquiring and analytic unit 11, waterproof strain decline power value sensor 8 and sensing travel mechanism, the waterproof strain power value sensor 8 that declines is fixed in the sensing travel mechanism, drives the waterproof strain power value sensor 8 that declines by sensing travel mechanism and moves to the detection position; Nozzle 3 is fixed on the nozzle moving mechanism, nozzle 3 is downward, by the decline top of power value sensor 8 of nozzle moving mechanism moving nozzle 3 to waterproof strain, nozzle 3 water sprays, drive the waterproof strain by sensing travel mechanism and decline power value sensor 8 to diverse location, the waterproof strain power value sensor 8 that declines provides the strain-type electric signal that diverse location water spray impulse force produces, the strain-type electric signal is through signal conditioner 10, the three-dimensional water spray impulse force big flood distribution plan that computer data acquiring and analytic unit 11 decline power value sensor 8 positions for delivery nozzle 3 below waterproof strains, also can generate the two-dimensional impact force curve of different tangent planes, automatically provide statistic analysis result, with the form stored data or the printing data report form of database.
Nozzle moving mechanism comprises nozzle transverse moving mechanism 2, nozzle reciprocating mechanism 12, nozzle mobile guide feed rod 1, feed screw nut 14, drive motor 13 and rack-and-pinion 18 at least, about two nozzle mobile guide feed rods 1 be fixed on the support body perpendicular to surface level, nozzle transverse moving mechanism 2 is the feed screw nuts 14 that connect along leading screw, on feed screw nut 14, fix a plurality of connecting links perpendicular to feed screw nut 14, it below the connecting link nozzle 3, nozzle 3 can be between 1-5, and nozzle 3 all connects by connecting link.Nozzle 3 spouts are downward; Mouth transverse moving mechanism 2 is supported on the cross-brace frame, be connected with nozzle reciprocating mechanism 12 by rack-and-pinion 18 in the middle of the cross-brace frame, cross-brace frame two ends have guide groove to be connected with nozzle mobile guide feed rod 1, when mouth transverse moving mechanism 2 moves up and down, drive motor 13 driven wheel tooth bars 18 move up and down the cross-brace frame under left and right sides nozzle mobile guide feed rod 1 guiding, drive nozzle 3 to assigned address.
Sensing travel mechanism comprises that at least vertical stepper motor 20, precision vertically move measuring mechanism 7, accurate laterally traverse measurement mechanism 17, horizontal stepper motor 6, driving belt 16 and support frame 9, support frame 9 tops are connected precision by feed rod 4 with horizontal mobile leading screw 5 and vertically move measuring mechanism 7, horizontal mobile leading screw 5 rotates and drives precisions and vertically move measuring mechanism 7 and laterally move, and feed rod 4 vertically moves horizontal guiding when mobile of measuring mechanism 7 for precision.Horizontal mobile leading screw 5 drives driving belt 16 by horizontal stepper motor 6 and drives horizontal mobile leading screw 5 rotations.
It is that the lower end has screw and orienting sleeve that precision vertically moves measuring mechanism 7, and the upper end vertically moves feed screw nut 19, vertically moves feed screw nut 19 1 ends and connects vertical stepper motor 20; Screw and orienting sleeve and feed rod 4 and horizontal mobile leading screw 5 supporting transverse design, vertically move feed screw nut 19 and be socketed with waterproof strain gauge transducer 8, drive vertical stepper motor 20 and drive and vertically move feed screw nut 19 and rotate, the waterproof strain gauge transducer 8 of the socket leading screw that is along the longitudinal movement moves forward and backward.
Nozzle transverse moving mechanism 2 one sides are connected with handwheel 15, drive feed screw nut 14 and rotate, and the test nozzles 3 that drives nozzle transverse moving mechanism 2 is adjusted to test position.
Study size and the regularity of distribution of slab caster two cold with impulsive force under the various combination form of different spray nozzles or nozzle, to selecting the type of cooling of strand, improve the homogeneity of strand cooling, formulate rational cooling system, improve slab quality and have great significance.Because two cold nozzle impact (70g/cm about about 7000Pa 2), so, guaranteeing that measuring impulsive force under measuring accuracy 0.5% prerequisite just has suitable difficulty.For the size and the regularity of distribution of impulsive force in the effective jeting area of continuous coverage, native system has adopted accurate step-scan measurement mechanism, has realized the free of discontinuities scanning survey of impulsive force in the full measurement range.

Claims (3)

1, slab caster two cold nozzle impact measuring system, it is characterized in that: which comprises at least nozzle moving mechanism, nozzle (3), signal conditioner (10), computer data acquiring and analytic unit (11), waterproof strain decline power value sensor (8) and sensing travel mechanism, the waterproof strain power value sensor (8) that declines is fixed in the sensing travel mechanism, drives the waterproof strain power value sensor (8) that declines by sensing travel mechanism and moves to the detection position; Nozzle is fixed on the nozzle moving mechanism, nozzle (3) is downward, by the decline top of power value sensor (8) of nozzle (3) travel mechanism's moving nozzle (3) to waterproof strain, nozzle (3) water spray, driving the waterproof strain power value sensor (8) that declines by sensing travel mechanism moves and provides the strain-type electric signal that different spaces water spray impulse force produces, signal output data after signal conditioner (10) processing and amplifying is given computer data acquiring and analytic unit (11), provides three-dimensional water spray impulse force big flood distribution plan;
Described nozzle moving mechanism comprises nozzle transverse moving mechanism (2), nozzle reciprocating mechanism (12), nozzle mobile guide feed rod (1), feed screw nut (14), drive motor (13) and rack-and-pinion (18) at least; About two nozzle mobile guide feed rods (1) be fixed on the support body perpendicular to surface level, nozzle transverse moving mechanism (2) is connected with feed screw nut (14) along screw mandrel, go up perpendicular to the fixing a plurality of connecting links of feed screw nut (14) at feed screw nut (14), be nozzle (3) below the connecting link, nozzle (3) spout is downward; Nozzle (3) is supported on the cross-brace frame by nozzle transverse moving mechanism (2), be connected with nozzle reciprocating mechanism (12) by rack-and-pinion (18) in the middle of the cross-brace frame, cross-brace frame two ends have guide groove to be connected with nozzle mobile guide feed rod (1), nozzle transverse moving mechanism (2) is when moving up and down, drive motor (13) driven wheel tooth bar (18) moves up and down the cross-brace frame under nozzle mobile guide feed rod (1) guiding, drive nozzle (3) to assigned address;
Described sensing travel mechanism comprises that at least vertical stepper motor (20), precision vertically move measuring mechanism (7), accurate laterally traverse measurement mechanism (17), horizontal stepper motor (6), driving belt (16) and support frame (9), support frame (9) top is connected precision by feed rod (4) with horizontal mobile leading screw (5) and vertically moves measuring mechanism (7), horizontal mobile leading screw (5) rotate to drive precision and vertically moves measuring mechanism (7) and laterally move, and feed rod (4) vertically moves horizontal guiding when mobile of measuring mechanism (7) for precision; Horizontal stepper motor (6) drives driving belt (16) and drives horizontal mobile leading screw (5) rotation.
2, slab caster two cold nozzle impact measuring system according to claim 1, it is characterized in that: described precision vertically moves measuring mechanism (7) lower end screw and orienting sleeve, the upper end vertically moves feed screw nut (19), vertically moves feed screw nut (19) one ends and connects vertical stepper motor (20); Screw and orienting sleeve and feed rod (4) and the supporting transverse design of horizontal mobile leading screw (5), vertically move feed screw nut (19) and be socketed with the waterproof strain power value sensor (8) that declines, drive vertical stepper motor (20) and drive and to vertically move feed screw nut (19) and rotate, the waterproof strain of socket power value sensor (8) leading screw that is along the longitudinal movement that declines moves forward and backward.
3, slab caster two cold nozzle impact measuring system according to claim 1 is characterized in that: described waterproof strain declines the distance of power value sensor (8) and nozzle (3) between 100~500mm.
CN200710188516A 2007-12-20 2007-12-20 Slab caster two cold nozzle impact measuring system Expired - Fee Related CN100588925C (en)

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Application Number Priority Date Filing Date Title
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CN102749164A (en) * 2012-07-27 2012-10-24 广东电网公司佛山供电局 Electrified water washing impact measuring system and measuring method thereof
CN102861889B (en) * 2012-09-07 2014-06-18 首钢总公司 Cold-state detection method for impact force of two cold nozzles of continuous casting machine
CN102980757B (en) * 2012-11-20 2014-11-19 北京农业智能装备技术研究中心 Device and method for automatically testing two-dimensional distribution of spraying
CN104084388A (en) * 2014-05-14 2014-10-08 无锡立信环保科技有限公司 Mold cleaning machine structure
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CN104792455B (en) * 2015-04-30 2017-03-08 马鞍山市安工大工业技术研究院有限公司 A kind of secondary cooling area for continuous casting pressure cooling medium test device and its using method
CN105352710B (en) * 2015-10-20 2017-09-05 辽宁工程技术大学 A kind of nozzle real impact domain range test system
RU2748255C2 (en) 2016-10-18 2021-05-21 ЭКОЛАБ ЮЭсЭй ИНК. Device for separating water and solid particles of sprayed water in continuous casting machine and method for continuous control and control of corrosion background
CN107941644B (en) * 2017-12-28 2023-06-20 中铁隧道局集团有限公司 Experimental device for measuring rock breaking and abrasion of three-degree-of-freedom hob and matched hob sliding difference rate and sliding distance measuring method
CN108361137A (en) * 2018-01-22 2018-08-03 哈尔滨工程大学 A kind of engine gas injection measurement method
CN111238715B (en) * 2020-01-22 2022-04-19 中国水产科学研究院南海水产研究所 Jet flow force measuring method for netting cleaning disc
CN112828158B (en) * 2021-01-06 2023-07-07 铜陵蓝盾丰山微电子有限公司 Production die for lead frame convenient to replace and replacement method thereof

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Owner name: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE

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Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute

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Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute

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Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute

Patentee after: China National Heavy Machinery Research Institute Co.,Ltd.

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