CN103267565B - A kind of lever type steel coil online weighing measuring apparatus - Google Patents
A kind of lever type steel coil online weighing measuring apparatus Download PDFInfo
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- CN103267565B CN103267565B CN201310182050.1A CN201310182050A CN103267565B CN 103267565 B CN103267565 B CN 103267565B CN 201310182050 A CN201310182050 A CN 201310182050A CN 103267565 B CN103267565 B CN 103267565B
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Abstract
The invention discloses a kind of lever type steel coil online weighing measuring apparatus, weighing platform pedestal arranges one group of bracing frame, one group of inclination weighing table is symmetrical arranged above frame, form " V " type weighing table mechanism, under inclination weighing table, arrange axle sleeve, axle sleeve is connected with bracing frame top movable; Fix limiting plate in the inner side level on inclination weighing table lower vertical limit, its lower adjusting screw(rod) arranged, through the preformed hole of weighing platform pedestal upper limit support, is flexibly connected with nut; Under the plane of inclination weighing table, arrange one group of LOAD CELLS, bottom screw rod, through the preformed hole on weighing platform base seat support, is flexibly connected with nut; LOAD CELLS is connected with terminal box and weighing instrument by cable.The present invention utilizes lever principle to design the tilting weighing table of " V " type weighing table mechanism that a group is formed, and coil of strip online weighing measuring apparatus is departed from frame, and center of gravity is low, good stability, decreases failure rate.Easy to maintenance.
Description
Technical field
The present invention relates to metallurgical industry rolling coil of strip Weighing device, particularly relate to a kind of lever type steel coil online weighing measuring apparatus.
Background technology
Current cold and hot rolled steel coils generally adopts at production line Weighing: each installation 4 LOAD CELLS bottom the frame of step rate guide groove both sides, between frame side and hole body, 2 groups of pull bars are respectively installed, step rate jack-up is passed through and supporting steel coils after spacing, after translation, coil of strip is held in " V " type groove of being fixed in frame and carries out Weighing, as shown in Figure 1.In Fig. 1, LOAD CELLS is through frame to being claimed the height of thing coil of strip more than 3 meters, and one group of (two) frame is conducted oneself with dignity about 40 tons, and coil of strip weight is generally at about 25 tons.Due to this weighing system one group of frame as weighing table, so the center of gravity of whole weighing system is high, the spacing difficulty in upper and lower is large, and cause weighing system stability, poor accuracy, failure rate is high.In addition, when safeguarding, because the workplace in machine hole is narrow, need when adjusting 2 groups of pull bars of upper stand side to set up ladder, at least need 2 lifting jack when changing the LOAD CELLS bottom frame, and adjustment bottom limited screw is very difficult, operates dangerous; Maintenance work labour intensity is large, effort, time-consuming.
Summary of the invention
The object of this invention is to provide a kind of weighing platform from heavy and light, good stability, lever type steel coil online weighing measuring apparatus easy to maintenance.
Technical scheme of the present invention is: a kind of lever type steel coil online weighing measuring apparatus, comprise one group of frame being located at step rate guide groove both sides, weighing platform pedestal, LOAD CELLS, bracing frame, inclination weighing table, terminal box and weighing instrument, it is characterized in that: in the frame of step rate guide groove both sides, fix weighing platform pedestal, weighing platform pedestal arranges one group of bracing frame; Above one group of frame, be symmetrical arranged one group of inclination weighing table, form " V " type weighing table mechanism, be fixed with one group of axle sleeve in the plane and inclined-plane corner forming inclination weighing table, axle sleeve is flexibly connected with bracing frame top cylindrical oblique crank Z; The inclined-plane of inclination weighing table be arranged in parallel with inclined-plane T-shape carrier; Fix limiting plate in two, inner side level on inclination weighing table lower vertical limit, under limiting plate, vertically disposed adjusting screw(rod) is through the preformed hole of weighing platform pedestal upper limit support, is flexibly connected with nut; Under the plane of inclination weighing table, arrange one group of LOAD CELLS, its upper screw, through the preformed hole of plane lower carriage, connects with nut, and bottom screw rod, through the preformed hole on weighing platform base seat support, is flexibly connected with nut; LOAD CELLS is connected with terminal box and weighing instrument by cable.
Described axle sleeve is that holoaxial cover or half-axile sleeve are formed.
Described limiting bracket top is frame-type, and three flank side surface forming frame-type are provided with Level tune Limit screw.
The outside of described inclination weighing table is provided with shifting board.
In sum, the horizontal weighing table that this Weighing device breaks traditions, vertical stressed weighting manner, a kind of coil of strip Weighing device of development and Design according to lever principle.This device is primarily of two weighing platform pedestals, four LOAD CELLS, four cylindrical support framves, the compositions such as " V " type weighing table mechanism, two groups of position-limit mechanisms, two pieces of shifting boards, the shaft connection place of cylindrical support frame is equivalent to a balance fulcrum, the balance of inclination weighing table can be realized by the nut on the adjusting screw(rod) under adjustment limiting plate and the nut on the screw rod of LOAD CELLS bottom, calibration, i.e. ponderable quantity.
Step rate is by steel coil transport on one group of " V " type weighing table mechanism T-shape carrier be made up of lever inclination weighing table, and the weight of coil of strip will be divided into two component perpendicular to inclination weighing table:
As Fig. 3, according to lever principle: 2W in theory
2× L
2=(W
1× L
1) ÷ 2
Try to achieve W
2=(W
1× L
1)/L
2÷ 4
Note: W
1-coil of strip weight, W
2power suffered by-LOAD CELLS, L
1-T-shape carrier stress point to the distance of fulcrum, L
2-LOAD CELLS stress point is to the distance of fulcrum.
Work as L
1=L
2time, 4W
2=W
1, directly show that 4 stressed sums of LOAD CELLS are exactly coil of strip weight.
When the component of coil of strip weight acts on the T-shape carrier of inclination weighing table, due to leverage, the component of coil of strip weight passes to LOAD CELLS through cylindrical support frame fulcrum, LOAD CELLS converts the weight of coil of strip to mv signal, weighing instrument is passed to by terminal box, through calculating, the weight of display coil of strip.
The present invention compared with prior art, its advantage is: change traditional horizontal weighing table, vertical stressed weighting manner, the ingenious tilting weighing table utilizing lever principle to design " V " type weighing table mechanism that a group is formed, coil of strip online weighing measuring apparatus is departed from frame, moves in frame, alleviate deadweight, center of gravity is low, good stability, and LOAD CELLS no longer bears huge heavy frame, decreases failure rate.Maintenance work is carried out in frame, easy to maintenance, and handling safety saves time, laborsaving.
Accompanying drawing explanation
Fig. 1 is existing online coil of strip Weighing device schematic diagram.
Fig. 2 is embodiment of the present invention front view.
Fig. 3 is Fig. 2 vertical view.
Fig. 4 is limiting plate, limiting bracket position relationship vertical view.
In figure: 1, frame, 2, weighing platform pedestal, 3, LOAD CELLS, 4, bracing frame, 5, inclination weighing table, 6, axle sleeve, 7, T-shape carrier, 8, limiting plate, 9, adjusting screw(rod), 10, limiting bracket, 11, LOAD CELLS screw rod, 12, terminal box, 13, weighing instrument, 14, shifting board, 15, Limit screw, 16, step rate, 17, coil of strip.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 2 and Figure 3, a kind of lever type steel coil online weighing measuring apparatus, with bolt or be directly welded and fixed weighing platform pedestal 2 in one group of (two) frame 1 of production line step rate 16 guide groove both sides, parallel longitudinal in weighing platform pedestal 2 liang of head rest centre positions one group of (two) bracing frame 4 is set, is bolted on weighing platform pedestal 2; One group of inclination weighing table 5 is symmetrical arranged in the top of one group of (two) frame 1, form cross section in " V " type weighing table mechanism, for strengthening the intensity of inclination weighing table 5, add 2 vertical 2 horizontal 4 reinforcement (not shown)s at the back side of inclination weighing table 5, inclination weighing table 5 can not be out of shape.Be welded with one group of (two) axle sleeve 6 at two head planes forming inclination weighing table 5 with inclined-plane corner is parallel longitudinal, axle sleeve 6 is flexibly connected with bracing frame 4 top cylindrical oblique crank Z, the fulcrum of formation lever balance mechanism; Axle sleeve 6 is half-axile sleeve or holoaxial cover.When adopting half-axile sleeve design, weld capping at the two ends Semicircular baffle of axle sleeve 6, play spacing, positioning action, corresponding bracing frame 4 top cylindrical oblique crank Z is welded on the middle part of bracing frame 4, so that axle sleeve 6 coordinates with the activity of cylinder oblique crank Z.If axle sleeve 6 is holoaxial Analysis of Nested Design, corresponding bracing frame 4 top cylindrical oblique crank Z is welded on the middle part of bracing frame 4, and slightly long, is convenient to cylinder oblique crank Z and holoaxial and overlaps and be set with.
As shown in Figure 2 and Figure 3, the inclined-plane of inclination weighing table 5 arranges T-shape carrier 7 with inclined-plane parallel longitudinal direction, is welded and fixed; Be welded and fixed limiting plate 8 in two, inner side level on inclination weighing table 5 lower vertical limit, limiting plate 8 times vertically disposed adjusting screw(rod)s 9, through the preformed hole of weighing platform pedestal 2 upper limit support 10, are flexibly connected with nut; Under the plane of inclination weighing table 5, arrange one group of LOAD CELLS 3, its upper screw 11, through the preformed hole of plane lower carriage, connects with nut, and bottom screw rod 11, through the preformed hole on weighing platform pedestal 2 support, is flexibly connected with nut; LOAD CELLS 3 is connected with terminal box 12 and weighing instrument 13 by cable.At the arranged outside activity plate washer 14 of inclination weighing table 5, be convenient to protection and maintain easily maintenance.
As shown in Figure 4, the top of limiting bracket 10 is frame-type, and three flank side surface forming frame-type are provided with Level tune Limit screw 15, prevent limiting plate 8 from moving horizontally, thus reach the object spacing to inclination weighing table horizontal direction.
A kind of lever type steel coil online weighing of the present invention measuring apparatus installation steps: first weighing platform pedestal 2 is located in frame 1, again one group of (two) cylindrical support frame 4 is fixed on weighing platform pedestal 2, finally one group of axle sleeve 6 at inclination weighing table 5 back side is set with bracing frame 4 top cylindrical oblique crank Z, be flexibly connected, simultaneously, inclination weighing table 5 times both sides are installed: 4 limiting plates, 8 times adjusting screw(rod)s 9 are through the preformed hole of weighing platform pedestal 2 upper limit support 10, be flexibly connected with nut, the clearance control of limiting plate 8 and Limit screw 15 is between 1mm ~ 2mm, 4 LOAD CELLS 3, its upper screw 11, through the preformed hole of plane lower carriage, connects with nut, and bottom screw rod 11, through the preformed hole on weighing platform pedestal 2 support, is flexibly connected with nut, 4 LOAD CELLS 3 are connected with terminal box 12 and weighing instrument 13 by cable.At the arranged outside activity plate washer 14 of inclination weighing table 5.After installing, regulate the nut on 4 limiting plates, 8 times adjusting screw(rod)s 9 and 4 LOAD CELLS 3 bottom screw rods 11, give the certain precompressed of 4 LOAD CELLS and the mv signal making it initial is consistent, through energising, school scale, can use.
The range of LOAD CELLS 3 is by (W
1× L
1× 1.5)/L
2÷ 4 determines (W
1for the weight of coil of strip, 1.5 is transducer range coefficient).Each LOAD CELLS 3 should be substantially identical to the cable connection length of terminal box 12; During calibration, selection standard counterweight should consider standard test weight weight and online coil of strip 17 similar weight; When changing LOAD CELLS 3, first adjust the nut on loose LOAD CELLS 3 bottom screw rod 11, state LOAD CELLS 3 being in do not stress is just replaceable.
The present invention is not when having coil of strip to weigh, and the nut on the nut on 4 LOAD CELLS 3 bottom screw rods 11 and 4 limiting plates, 8 times adjusting screw(rod)s 9 is all in stress; When coil of strip 17 is weighed, 4 limiting plates, 8 times adjusting screw(rod)s 9 make nut not stress because of downward power, 4 LOAD CELLS 3 bottom screw rods 11 make nut stressed because of power upwards, and LOAD CELLS 3 now, because of stressed output mv signal, shows the weight of coil of strip through weighing instrument 13.
The Function and operation of LOAD CELLS 3 elaborates in GB/T 7551-2008, and the present invention repeats no more.
Claims (4)
1. a lever type steel coil online weighing measuring apparatus, comprise one group of frame being located at step rate guide groove both sides, weighing platform pedestal, LOAD CELLS, bracing frame, inclination weighing table, terminal box and weighing instrument, it is characterized in that: in the frame of step rate guide groove both sides, fix weighing platform pedestal, weighing platform pedestal arranges one group of bracing frame; Above one group of frame, be symmetrical arranged one group of inclination weighing table, form " V " type weighing table mechanism, be fixed with one group of axle sleeve in the plane and inclined-plane corner forming inclination weighing table, axle sleeve is flexibly connected with bracing frame top cylindrical oblique crank Z; The inclined-plane of inclination weighing table be arranged in parallel with inclined-plane T-shape carrier; Fix limiting plate in two, inner side level on inclination weighing table lower vertical limit, under limiting plate, vertically disposed adjusting screw(rod) is through the preformed hole of weighing platform pedestal upper limit support, is flexibly connected with nut; Under the plane of inclination weighing table, arrange one group of LOAD CELLS, its upper screw, through the preformed hole of plane lower carriage, connects with nut, and bottom screw rod, through the preformed hole on weighing platform base seat support, is flexibly connected with nut; LOAD CELLS is connected with terminal box and weighing instrument by cable.
2. a kind of lever type steel coil online weighing measuring apparatus according to claim 1, is characterized in that: described axle sleeve is that holoaxial cover or half-axile sleeve are formed.
3. a kind of lever type steel coil online weighing measuring apparatus according to claim 1, is characterized in that: described limiting bracket top is frame-type, and three flank side surface forming frame-type are provided with Level tune Limit screw.
4. a kind of lever type steel coil online weighing measuring apparatus according to claim 1, is characterized in that: the outside of described inclination weighing table is provided with shifting board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182050.1A CN103267565B (en) | 2013-05-17 | 2013-05-17 | A kind of lever type steel coil online weighing measuring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182050.1A CN103267565B (en) | 2013-05-17 | 2013-05-17 | A kind of lever type steel coil online weighing measuring apparatus |
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| CN103267565A CN103267565A (en) | 2013-08-28 |
| CN103267565B true CN103267565B (en) | 2015-09-09 |
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| JP6348132B2 (en) * | 2016-01-13 | 2018-06-27 | ファナック株式会社 | Weight measuring system and weight measuring method using robot |
| CN108584548B (en) * | 2018-01-26 | 2023-10-17 | 大连康丰科技有限公司 | Take-up machine with product automatic weighing function |
| CN111005572A (en) * | 2019-11-15 | 2020-04-14 | 中国三冶集团有限公司 | Installation control method for steel coil transportation walking beam of rolling mill |
| CN111811632A (en) * | 2020-06-02 | 2020-10-23 | 广东韶钢工程技术有限公司 | Altitude finished product steel balance safety device subassembly |
| CN113959545B (en) * | 2021-10-25 | 2022-07-19 | 蚌埠高灵传感系统工程有限公司 | Self-discharging semitrailer weighing device using s-shaped column type tension and compression sensor for detection |
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| JPH10239144A (en) * | 1997-02-27 | 1998-09-11 | Nisshin Steel Co Ltd | Weighting machine for steel plate coil |
| CN201206996Y (en) * | 2008-02-22 | 2009-03-11 | 新疆八一钢铁股份有限公司 | Tape electronic scale for leveling machine walking beam |
| CN101655387A (en) * | 2009-07-28 | 2010-02-24 | 福州科杰电子衡器有限公司 | Weighing platform of steel coil weigher |
| CN201464013U (en) * | 2009-08-07 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Split-type suspension arm steel coil online weighing device |
| CN201716092U (en) * | 2010-08-03 | 2011-01-19 | 武汉钢铁(集团)公司 | Walking beam steel coil weigher |
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2013
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| JPH10239144A (en) * | 1997-02-27 | 1998-09-11 | Nisshin Steel Co Ltd | Weighting machine for steel plate coil |
| CN201206996Y (en) * | 2008-02-22 | 2009-03-11 | 新疆八一钢铁股份有限公司 | Tape electronic scale for leveling machine walking beam |
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