CN103267565A - Lever type steel coil on-line weighing metering device - Google Patents
Lever type steel coil on-line weighing metering device Download PDFInfo
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- CN103267565A CN103267565A CN2013101820501A CN201310182050A CN103267565A CN 103267565 A CN103267565 A CN 103267565A CN 2013101820501 A CN2013101820501 A CN 2013101820501A CN 201310182050 A CN201310182050 A CN 201310182050A CN 103267565 A CN103267565 A CN 103267565A
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Abstract
The invention discloses a lever type steel coil on-line weighing metering device. A set of supporting frames are arranged on a weighing platform base, a set of inclined weighing table tops are symmetrically arranged above the supporting frames to form a V-shaped weighing table top mechanism, shaft sleeves are arranged below the inclined weighing table tops, and the shaft sleeves are movably connected with the top portions of the supporting frames. Limiting plates are horizontally fixed on the inner sides of the vertical edges of the lower portions of the inclined weighting table tops, adjusting screws arranged on the lower portions of the limiting plates penetrate through reserving holes in limiting supports on the weighing platform base, and the adjusting screws are movably connected through nuts. A set of weighing sensors are arranged below the flat faces of the inclined weighing table tops, screws on the lower portions of the weighing sensors penetrate through reserving holes in the supporting frames of the weighting platform, and the screws are movably connected through nuts. The weighting sensors are connected with a connecting box and a weighing instrument through cables. The set of inclined weighing table tops which form the V-shaped weighing table top mechanism are designed according to the lever principle, the steel coil on-line weighing metering device is disengaged from a rack, gravity center is low, stability is good, failure rate is reduced and maintaining is convenient.
Description
Technical field
The present invention relates to the rolling coil of strip Weighing device of metallurgical industry, relate in particular to a kind of lever coil of strip online weighing measuring apparatus.
Background technology
What present cold and hot steel rolling twisted in that the production line Weighing generally adopts is: 4 LOAD CELLS are respectively installed in the frame bottom in step rate guide groove both sides, between frame side and hole body, 2 groups of pull bars are installed respectively, spacing back is by step rate jack-up and support coil of strip, after the translation coil of strip is held in " V " type groove that is fixed on the frame and carries out Weighing, as shown in Figure 1.Among Fig. 1 LOAD CELLS through frame to the height that is claimed the thing coil of strip more than 3 meters, one group of (two) frame is conducted oneself with dignity about 40 tons, coil of strip weight is generally about 25 tons.Because as weighing table, so the center of gravity height of whole weighing system, the spacing difficulty in upper and lower is big, causes weighing system stability, poor accuracy, the failure rate height one group of frame for this weighing system.In addition, when safeguarding, because the workplace in the machine hole is narrow, need set up ladder when adjusting 2 groups of pull bars of upper stand side, at least need 2 lifting jack when changing the LOAD CELLS of frame bottom, and it is very difficult to adjust the bottom limited screw, operates dangerous; Maintenance work labour intensity is big, and effort is time-consuming.
Summary of the invention
The purpose of this invention is to provide a kind of weighing platform from heavy and light, good stability, lever coil of strip online weighing measuring apparatus easy to maintenance.
Technical scheme of the present invention is: a kind of lever coil of strip online weighing measuring apparatus, comprise one group of frame, weighing platform pedestal, LOAD CELLS, bracing frame, inclination weighing table, terminal box and weighing instrument that is located at step rate guide groove both sides, it is characterized in that: at the fixing weighing platform pedestal of the frame of step rate guide groove both sides, at the weighing platform pedestal one group of bracing frame is set; Be symmetrical arranged one group of inclination weighing table above one group of frame, constitute " V " type weighing table mechanism, in the plane and the inclined-plane corner that constitute the inclination weighing table one group of axle sleeve is arranged fixedly, axle sleeve and bracing frame top cylindrical shaft flexibly connect; On the inclined-plane of inclination weighing table with the inclined-plane T-shape carrier that be arranged in parallel; At the inboard two on inclination weighing table lower vertical limit horizontal fixed limiting plate, vertically disposed adjusting screw(rod) passes the preformed hole of weighing platform pedestal upper limit support under the limiting plate, flexibly connects with nut; One group of LOAD CELLS is set under the plane of inclination weighing table, and its upper screw is passed the preformed hole of plane lower carriage, connects with nut, and the bottom screw rod passes the preformed hole on the weighing platform base seat support, flexibly connects with nut; LOAD CELLS is connected with weighing instrument with terminal box by cable.
Described axle sleeve is that holoaxial cover or half-axile sleeve constitute.
Described limiting bracket top is the frame type, and three flank side surface that constitute the frame type are provided with level and regulate spacing screw rod.
The outside of described inclination weighing table is provided with shifting board.
In sum, the horizontal weighing table that this Weighing device breaks traditions, the vertical stressed mode of weighing, a kind of coil of strip Weighing device of development and Design according to lever principle.This device mainly is made up of two weighing platform pedestals, four LOAD CELLS, four cylindrical support framves, " V " type weighing table mechanism, two groups of position-limit mechanisms, two shifting boards etc., the shaft connection place of cylindrical support frame is equivalent to a balance fulcrum, by adjusting the balance that nut on the adjusting screw(rod) under the limiting plate and the nut on the screw rod of LOAD CELLS bottom can realize weighing table, calibration, i.e. ponderable quantity.
Step rate is transported to coil of strip on one group of " V " type weighing table mechanism T-shape carrier that is made of lever inclination weighing table, and the weight of coil of strip will be divided into two perpendicular to the component of 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
Annotate: W
1-coil of strip weight, W
2The power that-LOAD CELLS is suffered, L
1-T-shape carrier stress point is to the distance of fulcrum, L
2-LOAD CELLS stress point is to the distance of fulcrum.
Work as L
1=L
2The time, 4W
2=W
1, directly drawing 4 stressed sums of LOAD CELLS is exactly coil of strip weight.
When the component of coil of strip weight acts on the T-shape carrier of inclination weighing table, because 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 the mv signal, pass to weighing instrument by terminal box, through calculating, show the weight of coil of strip.
The present invention compared with prior art, its advantage is: change traditional horizontal weighing table, the vertical stressed mode of weighing, the ingenious tilting weighing table that utilizes lever principle to design " V " type weighing table mechanism of fabric one-tenth, coil of strip online weighing measuring apparatus is broken away from frame, move on the frame, alleviate deadweight, center of gravity is low, good stability, and LOAD CELLS no longer bears huge heavy frame, reduced failure rate.Maintenance work is carried out in frame, and is easy to maintenance, and handling safety saves time, and is laborsaving.
Description of drawings
Fig. 1 is conventional online coil of strip Weighing device synoptic diagram.
Fig. 2 is embodiment of the invention front view.
Fig. 3 is Fig. 2 vertical view.
Fig. 4 is that limiting plate, limiting bracket position concern vertical view.
Among the figure: 1, frame, 2, the weighing platform pedestal, 3, LOAD CELLS, 4, bracing frame, 5, the inclination weighing table, 6, axle sleeve, 7, T-shape carrier, 8, limiting plate, 9, adjusting screw(rod), 10, limiting bracket, 11, the LOAD CELLS screw rod, 12, terminal box, 13, weighing instrument, 14, shifting board, 15, spacing screw rod, 16, step rate, 17, coil of strip.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 2, shown in Figure 3, a kind of lever coil of strip online weighing measuring apparatus, on one group of (two) frame 1 of production line step rate 16 guide groove both sides with bolt or the direct fixing weighing platform pedestal 2 of welding, at 2 liang of head rest centre positions of weighing platform pedestal parallel longitudinal one group of (two) bracing frame 4 is set, uses bolt on weighing platform pedestal 2; Top one group of (two) frame 1 is symmetrical arranged one group of inclination weighing table 5, constitute the cross section and be " V " type weighing table mechanism, for strengthening the intensity of inclination weighing table 5, increased by 2 vertical 2 horizontal 4 reinforcement (not shown)s at the back side of inclination weighing table 5, inclination weighing table 5 can be out of shape.Be welded with one group of (two) axle sleeve 6 at two head planes and the inclined-plane corner parallel longitudinal that constitute inclination weighing table 5, axle sleeve 6 flexibly connects with bracing frame 4 top cylindrical shafts, forms the fulcrum of lever balance mechanism; Axle sleeve 6 is half-axile sleeve or holoaxial cover.When adopting the half-axile sleeve design, weld capping at the two ends of axle sleeve 6 with semicircle baffle plate, play spacing, positioning action, corresponding bracing frame 4 top cylindrical shafts are welded on the middle part of bracing frame 4, so that axle sleeve 6 cooperates with cylindrical shaft is movable.If axle sleeve 6 is the holoaxial Analysis of Nested Design, corresponding bracing frame 4 top cylindrical shafts are welded on the middle part of bracing frame 4, and long slightly, are convenient to cylindrical shaft and holoaxial cover suit.
As Fig. 2, shown in Figure 3, on the inclined-plane of inclination weighing table 5, with the inclined-plane parallel longitudinal direction T-shape carrier 7 is set, welding is fixing; Weld fixedly limiting plate 8 in the inboard two on inclination weighing table 5 lower vertical limits level, 8 times vertically disposed adjusting screw(rod)s 9 of limiting plate pass the preformed hole of weighing platform pedestal 2 upper limit supports 10, flexibly connect with nut; One group of LOAD CELLS 3 is set under the plane of inclination weighing table 5, and its upper screw 11 is passed the preformed hole of plane lower carriage, connects with nut, and bottom screw rod 11 passes the preformed hole on weighing platform pedestal 2 supports, flexibly connects with nut; LOAD CELLS 3 is connected with weighing instrument 13 with terminal box 12 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 the frame type, and three flank side surface that constitute the frame type are provided with level and regulate spacing screw rod 15, prevent that limiting plate 8 from moving horizontally, thereby reach the spacing purpose of inclination weighing table horizontal direction.
A kind of lever coil of strip of the present invention online weighing measuring apparatus installation steps: at first weighing platform pedestal 2 is located in frame 1, again one group of (two) cylindrical support frame 4 is fixed on the weighing platform pedestal 2, at last with one group of axle sleeve 6 and bracing frame 4 top cylindrical shaft suits at inclination weighing table 5 back sides, flexibly connect, simultaneously, install on 5 times both sides of inclination weighing table: 8 times adjusting screw(rod)s 9 of 4 limiting plates pass the preformed hole of weighing platform pedestal 2 upper limit supports 10, flexibly connect with nut, the clearance control of limiting plate 8 and spacing screw rod 15 is between 1mm～2mm; 4 LOAD CELLS 3, its upper screw 11 is passed the preformed hole of plane lower carriage, connects with nut, and bottom screw rod 11 passes the preformed hole on weighing platform pedestal 2 supports, flexibly connects with nut; 4 LOAD CELLS 3 are connected with weighing instrument 13 with terminal box 12 by cable.Arranged outside activity plate washer 14 at inclination weighing table 5.After installing, regulate the nut on 8 times adjusting screw(rod)s 9 of 4 limiting plates and 4 the LOAD CELLS 3 bottom screw rods 11, give the certain precompressed of 4 LOAD CELLS and make its initial mv signal unanimity, 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
1Be the weight of coil of strip, 1.5 is the transducer range coefficient).Each LOAD CELLS 3 should be basic identical to the cable connection length of terminal box 12; The selection standard counterweight should be considered standard test weight weight and online coil of strip 17 similar weight during calibration; When changing LOAD CELLS 3, at first transfer the nut on the loose LOAD CELLS 3 bottom screw rods 11, the state that LOAD CELLS 3 is in do not stress is just replaceable.
The present invention is not when having coil of strip to weigh, and the nut on 4 LOAD CELLS 3 bottom screw rods 11 and the nut on 8 times adjusting screw(rod)s 9 of 4 limiting plates all are in stress; When coil of strip 17 is weighed, 8 times adjusting screw(rod)s 9 of 4 limiting plates do not stress because downward power makes nut, 4 LOAD CELLS 3 bottom screw rods 11 make nut stressed because of the power that makes progress, and the LOAD CELLS 3 of this moment shows the weight of coil of strip because of stressed output mv signal through weighing instrument 13.
The function of LOAD CELLS 3 elaborates with acting among the GB/T 7551-2008, and the present invention repeats no more.
Claims (4)
1. lever coil of strip online weighing measuring apparatus, comprise one group of frame, weighing platform pedestal, LOAD CELLS, bracing frame, inclination weighing table, terminal box and weighing instrument that is located at step rate guide groove both sides, it is characterized in that: at the fixing weighing platform pedestal of the frame of step rate guide groove both sides, at the weighing platform pedestal one group of bracing frame is set; Be symmetrical arranged one group of inclination weighing table above one group of frame, constitute " V " type weighing table mechanism, in the plane and the inclined-plane corner that constitute the inclination weighing table one group of axle sleeve is arranged fixedly, axle sleeve and bracing frame top cylindrical shaft flexibly connect; On the inclined-plane of inclination weighing table with the inclined-plane T-shape carrier that be arranged in parallel; At the inboard two on inclination weighing table lower vertical limit horizontal fixed limiting plate, vertically disposed adjusting screw(rod) passes the preformed hole of weighing platform pedestal upper limit support under the limiting plate, flexibly connects with nut; One group of LOAD CELLS is set under the plane of inclination weighing table, and its upper screw is passed the preformed hole of plane lower carriage, connects with nut, and the bottom screw rod passes the preformed hole on the weighing platform base seat support, flexibly connects with nut; LOAD CELLS is connected with weighing instrument with terminal box by cable.
2. a kind of lever coil of strip online weighing measuring apparatus according to claim 1 is characterized in that: described axle sleeve is that holoaxial cover or half-axile sleeve constitute.
3. a kind of lever coil of strip online weighing measuring apparatus according to claim 1, it is characterized in that: described limiting bracket top is the frame type, three flank side surface that constitute the frame type are provided with level and regulate spacing screw rod.
4. a kind of lever coil of strip online weighing measuring apparatus according to claim 1, it is characterized in that: the outside of described inclination weighing table is provided with shifting board.
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|---|---|---|---|
| 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 true CN103267565A (en) | 2013-08-28 |
| CN103267565B CN103267565B (en) | 2015-09-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965206A (en) * | 2016-01-13 | 2017-07-21 | 发那科株式会社 | Weight measurement system and weight measurement method |
| CN108584548A (en) * | 2018-01-26 | 2018-09-28 | 大连康丰科技有限公司 | A kind of admission 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 |
| CN113959545A (en) * | 2021-10-25 | 2022-01-21 | 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965206A (en) * | 2016-01-13 | 2017-07-21 | 发那科株式会社 | Weight measurement system and weight measurement method |
| US10180346B2 (en) | 2016-01-13 | 2019-01-15 | Fanuc Corporation | Weight measurement system and method using robot |
| CN108584548A (en) * | 2018-01-26 | 2018-09-28 | 大连康丰科技有限公司 | A kind of admission machine with product automatic weighing function |
| 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 |
| CN113959545A (en) * | 2021-10-25 | 2022-01-21 | 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 |
| 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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| CN103267565B (en) | 2015-09-09 |
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