CN2815537Y

CN2815537Y - Measuring device for not band steel shear head-tail

Info

Publication number: CN2815537Y
Application number: CN 200520044672
Authority: CN
Inventors: 荣鸿伟; 柴辉; 陈占福; 严梅良; 张仁其; 孙皓
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd
Priority date: 2005-08-31
Filing date: 2005-08-31
Publication date: 2006-09-13
Anticipated expiration: 2015-08-31

Abstract

The utility model relates to a measuring device used for hot band steel to cut a head and a tail. The device comprises an intermediate rod, four connecting rods and a locating block, wherein the intermediate rod is provided with a holding part, an intermediate part and a hinging part, wherein an induction piece is arranged in the intermediate part; the four connecting rods which form a diamond are hinged with each other through connecting pins, the lower end of the four connecting rods is hinged with the hinging part of the intermediate rod, and two connecting rods arranged on the lower end respectively outward extend and bend to form left and right measuring feet; the locating block is provided with a sliding chute and is sheathed in the intermediate part of the intermediate rod through the sliding chute, the upper end which corresponds to the end of the four connecting rods is hinged with and fixed on the locating block, an integrated block is also fixed above the locating block, and the integrated block is used for detecting the displacement of the locating block on the induction piece, calculating and displaying spread distance between the left and the right measuring feet. A detecting device of the utility model can realize on-line detection of the head and the tail of strip steel, effectively shorten the period of the whole measuring phases and eliminate unsafe factors.

Description

Be used for hot strip steel shearing measurement mechanism end to end

Technical field

The utility model relates to the length-measuring appliance of using in the hot strip rolling process, is specifically related to be used in the hot continuous rolling finish rolling measure hot strip steel slab shearing device end to end.

Background technology

Flying shear is installed before finish rolling in the hot continuous rolling unit, mainly be the slab that is come out by roughing mill to be held end to end shear, this be because the band steel stands the effect of different levels and vertical roll-force when rolling in the roughing district, because width control (AWC) automatically, width is controlled the temperature deviation of (PWC) and short stroke and de-scaling and air cooling effect generation continuously, make steel plate hold end to end and have irregular external form surface, do not meet technical standard and product requirement, therefore must be sheared.After the shearing, avoid impacting, coiling machine is batched smoothly thereby band steel toe end can reduce vibrations when entering mm finishing mill unit F1 frame; Simultaneously, the band steel keeps good tail end also to create strong condition for the bale packing that is rolled into coil of strip.Because the cutting edge of the crop flying shear of hot continuous rolling unit, need change in use for some time, crop flying shear is after work a period of time (the general shear amount is at ten thousand tons of amounts of rolling of 30-40) simultaneously, during this time because the reason of continuous operation, can cause the isoparametric variation in crop flying shear blade clearance, so need its shearing precision is end to end carried out actual measurement in the crop flying shear equipment replacement and after work a period of time, shear control by the best and can improve the recovery rate of becoming a useful person, reduce and cut loss rate, increase economic benefit, therefore for guaranteeing best shear effect, the length that must regularly shear end to end flying shear is measured.At present in the hot rolling flying shear shearing measurement of carrying out end to end, since measured object be the hot strip steel of temperature up to 900 ℃-1000 ℃ end to end, so all there is big problem at aspects such as practical operation and measuring periods, and this measurement data directly has influence on the shear precision of hot rolling unit crop flying shear, thereby the lumber recovery of hot-continuous-rolling strip steel is played a part very crucial, therefore how survey tool is improved and just seem extremely important.

At present, measurement does not end to end also have special device for hot strip steel, but utilize shearing that iron head bucket collect to need measures end to end at the scene, wait for that the temperature that needs to measure the iron head descends, (because the object being measured temperature reaches 900-1000 ℃, survey crew can't be close at least 40 minutes for whole process need, simultaneously because the restriction of the running time of driving), treat temperature reduce to the people can near the time, the operator enters this iron head bucket, needs the band steel toe tail of measuring with tape measure actual measurement.

Obviously, there are a lot of disadvantages in above-mentioned existing measurement means in practical operation: artificial near high temperate zone steel, there is unsafe factor in measuring process; Simultaneously, because the measured object temperature is higher, measuring operation can not be too accurate, certainly will cause bigger measured deviation; Measure one time overlong time, can't in time adjust the control parameter.

Summary of the invention

Therefore, the purpose of this utility model provides a kind of measurement mechanism, to realize to hot strip steel shearing online detection end to end, reduce the input on Measuring Time and the manpower, improve simultaneously and detect effect, the promptness of adjusting with the shear precision that guarantees hot continuous rolling unit crop flying shear, thus the lumber recovery of hot-continuous-rolling strip steel improved.

For achieving the above object, the utility model provides a kind of hot strip steel shearing measurement mechanism end to end that is used for, and this device comprises intermediate bar, four connecting rods, and locating piece, wherein, intermediate bar is provided with grip part, pars intermedia and articulated section, is provided with sensing chip in this pars intermedia; Four connecting rods assume diamond in shape, and hinged by connecting pin between each connecting rod, the described articulated section of its lower end and intermediate bar is hinged, and two connecting rods in this lower end stretch out respectively and are bent to form left and right sides foot-measuring; Described locating piece offers chute, this locating piece is set in the pars intermedia of described intermediate bar by chute, and with the upper end hinged securement of four connecting rods on locating piece, locating piece top also is fixed with integrated package, and this integrated package is used to detect described locating piece in the displacement on the described sensing chip and calculate and demonstrate the distance of opening between the foot-measuring of the described left and right sides.

Preferably, the connecting pin of four small ends is fixed on the fixed block by nut; Integrated package is provided with probe and display screen, and this probe induction locating piece is in the displacement of sensing chip; The inboard of foot-measuring is fixed with the pad that material is a heat resisting cast steel.

Compared with the prior art, advantage of the present utility model is: the checkout gear that provides can be realized online detection band steel toe tail, effectively shortens the whole measuring phases cycle, eliminates unsafe factor.

Description of drawings

Fig. 1 is the front schematic view according to the measurement mechanism of the utility model preferred embodiment;

Fig. 2 is the enlarged drawing at A-A place among Fig. 1, shows the position relation of fixed block, integrated package and sensing chip;

Fig. 3 is the enlarged drawing at B-B place among Fig. 1, shows the foot-measuring of this device;

Fig. 4 be along C among Fig. 2 to view, show the position and the annexation of connecting rod;

Fig. 5 is the user mode figure according to the measurement mechanism of the utility model preferred embodiment.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing.

Shown in Fig. 1-5, when the designer has taken into full account actual measurement at the scene, because the testee temperature is higher, the utility model provides a kind of hot strip steel shearing measurement mechanism end to end that is used for, and this device comprises intermediate bar 1, four connecting rod 2, locating piece 3, wherein, intermediate bar 1 is provided with grip part 11 (carrying handle just), pars intermedia 12 and articulated section 13, is provided with sensing chip 4 in this pars intermedia 12; Four connecting rods 2 assume diamond in shape, comprise first connecting rod 21, second connecting rod 22, third connecting rod 23 and the 4th connecting rod 24, its common ends (lower end) 25 by third connecting rod 23 and the 4th connecting rod 24 is hinged with the described articulated section 13 of intermediate bar 1, four connecting rods stretch out respectively at the third and fourth two connecting

rods

23 and 24 of this end and are bent to form left and right sides foot-measuring 231 and 241, in order to make this device more heat-resisting, this foot-measuring 231 and 241 inboard are fixed with the

pad

27 and 28 that material is a heat resisting cast steel respectively; Described locating piece 3 offers chute 31, this locating piece 3 is set in the pars intermedia 12 of described intermediate bar 1 by chute 31, upper end 26 hinged securement relative with the lower end 25 of four connecting rods 2 are on locating piece 3, joint pin 5 hinged formation are passed through by first connecting rod 21 and second connecting rod 22 in this upper end 26, and this joint pin 5 is fixed on the locating piece 3 by nut 6.Locating piece 3 tops also are fixed with integrated package 7, this integrated package 7 is provided with probe 71 and display screen 72, these probe 71 induction locating piece 3 displacements on sensing chip 4, and calculate the distance of opening between left and right sides foot-measuring 231 and 241 by integrated package 7, and demonstrate this range data by display screen 72.

As shown in Figure 5, when this measurement mechanism is in running order, by operation to the carrying handle 11 of measurement mechanism, the aperture occurrence positions of the foot-measuring of measurement mechanism is changed, owing to adopt the rhombus design, when foot-measuring aperture change in location, the first and second corresponding connecting rods 21 and the position of 22 (being also referred to as mobile link) also change, owing on intermediate bar, designed sensing chip 4, when mobile link produces change in location, give display screen 72 with the foot-measuring aperture size that calculates after integrated package is handled displacement signal, this moment, display screen 72 can demonstrate measured hot strip steel size end to end.Simultaneously at measured object be temperature up to 900 ℃ of-1000 ℃ of hot strip steels end to end, in the design of foot-measuring, adopted exotic material, improved the certainty of measurement and the service life of measuring instrument.

The hot strip steel of the technology of the present invention is sheared measuring instrument end to end and since taken into full account on higher whole measuring phases time that causes of testee temperature and the manpower drop into more, the relatively poor problem of measurement effect simultaneously.So shear end to end at hot strip steel of the present invention and to have adopted rhombus design (four connecting rods) on the measuring instrument, characteristics according to diamond structure, during knee-action, the equidistant action of diagonal, utilized the design of position sensing simultaneously, make object being measured and measure between the people to maintain a certain distance, play the purpose of timely measurement.

Concrete operations are as follows: at first, 9 throw the particular locations of bucket 8 at iron end to end according to the hot strip steel that will measure, arrest measuring instrument handle 11 with hand the foot-measuring 231 and 241 of measuring instrument is put down; Then adjust the foot-measuring position of measuring instrument; Upwards lift measuring instrument handle 11; Observe the real data on the display screen 72, these data are the hot strip steel that will measure actual size end to end.

Again referring to Fig. 2-3, this integrated package 7 externally surface adopts liquid crystal display, and concrete video data is directly to respond to the displacement that locating piece 3 produces by the probe 71 (also claiming inductive head) of integrated package inboard on sensing chip 4 to determine; When locating piece 3 during at knee-action, angle between first connecting rod 21 and the second connecting rod 22 changes, when inductive head 71 is sensed the displacement that locating piece produces on sensing chip, to handle by the data in the integrated package 7, the actual aperture that converts the measuring instrument bottom to changes.Specifically be positioned such that, inductive head 71 in the integrated package inboard is in highest point, this moment, the actual aperture of measuring instrument bottom was minimum aperture (adopting 65mm in 2050 hot rollings at present), along with the inductive head 71 of integrated package 7 inboards moves down, the actual aperture of measuring instrument bottom is progressively opened, be positioned at sensing chip 4 lower ends up to integrated package 7, this moment, the actual aperture (being the distance between foot-measuring 231 and 241) of measurement mechanism bottom foot-measuring was maximum opening (adopting 650mm in 2050 hot rollings at present), this maximum, determining of minimum aperture can be definite according to the sheared length of different manufacturers reality, and present 2050 hot rolling sheared lengths are 60mm-600mm.

Claims

1. one kind is used for hot strip steel shearing measurement mechanism end to end, and this device comprises intermediate bar, four connecting rods, and locating piece is characterized in that:

Intermediate bar is provided with grip part, pars intermedia and articulated section, is provided with sensing chip in this pars intermedia;

Four connecting rods assume diamond in shape, and hinged by connecting pin between each connecting rod, the described articulated section of its lower end and intermediate bar is hinged, and two connecting rods of this lower end stretch out respectively and are bent to form left and right sides foot-measuring;

Described locating piece offers chute, this locating piece is set in the pars intermedia of described intermediate bar by chute, and with the upper end hinged securement of four connecting rods on locating piece, locating piece top also is fixed with integrated package, and this integrated package is used to detect described locating piece in the displacement on the described sensing chip and calculate and demonstrate the distance of opening between the foot-measuring of the described left and right sides.

2. measurement mechanism as claimed in claim 1 is characterized in that the connecting pin of the upper end of described four connecting rods is fixed on the locating piece by nut.

3. measurement mechanism as claimed in claim 1 is characterized in that, described integrated package is provided with probe and display screen, and this probe induction locating piece is in the displacement of sensing chip.

4. measurement mechanism as claimed in claim 1 is characterized in that the inboard of described foot-measuring is fixed with pad.

5. measurement mechanism as claimed in claim 4 is characterized in that, the material of described pad is a heat resisting cast steel.