CN101497402A - Fixed-weight loading equipment - Google Patents
Fixed-weight loading equipment Download PDFInfo
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- CN101497402A CN101497402A CNA2009101301109A CN200910130110A CN101497402A CN 101497402 A CN101497402 A CN 101497402A CN A2009101301109 A CNA2009101301109 A CN A2009101301109A CN 200910130110 A CN200910130110 A CN 200910130110A CN 101497402 A CN101497402 A CN 101497402A
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Abstract
The invention relates to a fixed weight loading device for bulk materials, and belongs to the field of mine transportation equipment. The fixed weight loading device for the bulk materials comprises a drive unit, a material guide groove, a conveying device and a support, wherein the material guide groove is arranged on the conveying device which is connected with the support. The fixed weight loading device for the bulk materials is characterized in that the support and the material guide groove are divided into a material receiving part and a weighing part; a weighing sensor is arranged under the weighing part, namely the support; a conveyer belt of the conveying device can be an adhesive tape, a shell belt or a composite adhesive tape and shell belt; the material receiving part and the weighing part, namely the support and the material guide groove are in flexible connection of which the displacement in the vertical direction is not limited; the weighing part, namely the support, is provided with a tensioning device for limiting the displacement in the horizontal direction; and side-slipping resistant wheels are arranged on both sides of the adhesive tape or the shell belt close to a directive point of a roller. The fixed weight loading device for the bulk materials combines a shell belt feeder and force sensor technology, and has the advantages of high weight measuring precision, small mounting space, strong universality, small operating power, reliable use, convenient maintenance, low operating cost and strong environmental adaptation ability.
Description
Technical field
The present invention relates to a kind of fixed-weight loading equipment of bulk material, belong to the mine transportation equipment technical field.
Background technology
The material of mine vertical shaft use is at present decided the heavy cartridges mode and mainly contained two kinds: heavy cartridges decided by measuring chute and the metering transport plane is decided heavy cartridges.
It is a kind of ripe and at present most widely used heavy cartridges mode of deciding that measuring chute is decided heavy cartridges.The principle that measuring chute is decided heavy cartridges is that one or more measure hoppers are set, and measure hopper is placed one or more LOAD CELLS down, material is put into open the sluices after measure hopper is weighed, and material flows into rehandle facilities by deadweight and transports.Its advantage is an accurate measurement, but it is for making Flow of Goods and Materials unimpeded, and measure hopper is an elongate, and so then loading point moves down, and has increased mine shaft depth and hoisting depth, thereby has increased construction and equipment operation expense, has reduced production efficiency.In addition, the mine vertical shaft weighing system is in the pit shaft edge, the foundation failure of its equipment borehole wall continuity, reduced the load-carrying capacity of the borehole wall, thereby increased difficulty of construction and maintenance cost, added that some places are in incompetent bed, borehole wall supporting is difficulty more, then can't use measuring chute to decide heavy cartridges.
Decide heavy cartridges be a kind of novel heavy cartridges mode of decide to the metering transport plane, adopt platform conveyer or ribbon conveyer automatic gauge, at a slow speed store adorn, fast discharging.It is less that the metering transport plane is decided the required setting height(from bottom) of heavy cartridges equipment space, alleviated borehole wall demands for bearing capacity, mine shaft depth and hoisting depth have been reduced, reduced cubic metre of earth and stone yield, save construction and operating cost, simplified Load System equipment, improved production efficiency, progressively promoted and used, particularly be in the mine of incompetent bed at some.Its platform conveyer is decided heavy cartridges equipment and is made up of parts such as actuating device, great wheel, tail wheel, conduction chain, loading plate, casing, load cells, loading plate superposes mutually, two ends are connected with conduction chain and are provided with roller, the great wheel chain drive-belt affects loading plate to drive the roller orbiting, thereby the material that drives the loading plate top is sent to rehandle facilities.It is this that to decide heavy cartridges mode overall performance reliable, substantially satisfy the Coal Production needs, but still have following shortcoming: the block that (1) loading plate is sprayed by the water coal when tail wheel upwards overturns easily blocks, can not fit, after improving design, still can not avoid pressing from both sides the coal phenomenon fully, thereby increased the wearing and tearing and the running resistance of loading plate, and make driving power increase, maintenance increases.(2) roller of loading plate both sides often is in the water sprinkling state that is oozed out by the top material, causes the damage of roller neck bearing frequent, and rolling wheel wear is serious simultaneously, makes driving power increase, and maintenance is big, the expense costliness.The Chinese patent 88209650.8 that on June 21st, 1989 was announced; Disclose a kind of ribbon conveyer and decided heavy cartridges equipment, it is made up of drive system, driving system, supporting roof beam structure and gauging device.Wherein, drive system is made up of headstock support, electrical motor, reductor, head roll, changed course cylinder, take-up device etc., and driving system is by belt, baffle plate, upper supporting roller, snub pulley, support etc., and gauging device is made up of sensor module, control box etc.Its shortcoming is that belt damages easily when containing relatively large shape hard material in the material, and when especially running into pointed foreign material, belt very easily is pierced, tears.
More than two kinds of transport planes common drawback of deciding heavy cartridges equipment be that the check weighing part is not all avoided the storehouse and pressed, and the direct influence precision of weighing of the variation of pressing because of the storehouse is so its error is higher.The sensor that is adopted is presses Magnetic Sensor or SY-2 type electric transducer hydraulic pressure weight-measuring device, because of the end instr of piezomagnetic sensor is to be made by ferromagnetic material, it converts the variation of application force (as elastic stress, unrelieved stress) to the variation of magneto-conductivity, and then cause the variation that is around in coil impedance on it or electro-motive force, thereby induce electric signal, calculate total amount according to electric signal again, its shortcoming is an adverse environment resistant not, and drift is big.And SY-2 type electric transducer hydraulic pressure weight-measuring device principle of work is: weight to be measured is put on the piston, piston moves down, fluid pressure raises, be converted into weight of object through the pressure sensor gaging pressure, its shortcoming is because of adopting piston packing, the oil impregnate phenomenon is arranged, use a period of time primary piston to move down, then need replenish fluid.And because of there are unsettled friction force in sealing member and casing wall, cause that pressure measurement is inaccurate, the result of a measurement instability, survey precision is low.In addition, piston is that sealing member play the guiding role again, and is very sensitive to installation deviation, then increased installation difficulty.In a word, more than two kinds of quantitative transport planes drawbacks limit its apply, so import equipment occupies the principal market in same category of device.
At present in the known technology, on February 9th, 2000, the Chinese patent 99201790.4 of bulletin disclosed a kind of First Tape Feeder, its structure is: an osed top first band is established in the deflector chute bottom under feed bin, one end first band is driven by head roll, the other end is established the changed course cylinder, the centre is established some groups of carrying rollers and is supported the first band, establishes a sealing adhesive tape in the first band.Advantage such as this equipment has that feeding coal is big, stable, energy-conserving and environment-protective, maintenance are little is extensively promoted the use of now.
Summary of the invention
The objective of the invention is to overcome the shortcoming of existing fixed-weight loading equipment, a kind of check weighing precision height is provided, installing space is little, and running power is little, uses reliably, and easy to maintenance, operating cost is low, the fixed-weight loading equipment of highly versatile.
The present invention realizes by the following technical solutions:
A kind of fixed-weight loading equipment comprises actuating device, deflector chute, feedway and support, deflector chute are arranged on the feedway, and feedway is arranged on the support, it is characterized in that: support and deflector chute are divided into the material part and the part of weighing, and are provided with LOAD CELLS below the part of the weighing support.
Described fixed-weight loading equipment, the load-transfer device of feedway can be adhesive tape or first band or the composite band that combined by adhesive tape and first band.
Described fixed-weight loading equipment, the material part of support and deflector chute and weighing between the part is adopted and not to be limited flexibly connecting of vertical direction displacement.Flexibly connecting can be that straight pin is fixed on weigh part deflector chute and the material part deflector chute, and connecting rod is connected on the straight pin, between part deflector chute and the material part deflector chute sealing band is set weighing again.
Described fixed-weight loading equipment, deflector chute cross-sectional plane are trapezoidal or approximate trapezoid.
Described fixed-weight loading equipment, the deflector chute inside face is equipped with the antifriction plate.
Described fixed-weight loading equipment, the material part deflector chute is provided with gate, and top is bulkhead gate, and the bottom is a main gate.
Described fixed-weight loading equipment, the part of weighing support is provided with the take-up device of limit levels two direction displacements.Take-up device can be that pull bar is hinged with weigh part support and basis by straight pin, and the spiral tensioning is set in the middle of pull bar again.
Described fixed-weight loading equipment, close cylinder becomes and is provided with anti-deviation the wheel into the adhesive tape or the first band both sides of putting.
Described fixed-weight loading equipment, the back upper place of material part support and material part deflector chute is provided with the rear portion hanger rail.
Described fixed-weight loading equipment, the top of the part of the weighing support and the part deflector chute of weighing is provided with vertical hanger rail.
Described fixed-weight loading equipment, LOAD CELLS can be the weight-measuring devices of hydraulic pressure weight-measuring device or other types.
Described fixed-weight loading equipment, actuating device can be motors, reductor or motor etc.
Working process of the present invention is:
During equipment work, bulkhead gate is in open mode, only just closes during overhaul of the equipments, material in the feed bin and lower part equipment is separated easy access equipment.
Electrical equipment is received skip bucket and is put in place behind the signal, the starter motor high-speed operation, drive speed reducer drives head roll fast turn-around, drive load-transfer device operation fast under the support of carrying roller, the material that weighs up is discharged into skip bucket through undue coal device, and material is unsnatched back being sent by electric system can promote signal permission skip hoisting.Because of the deflector chute cross-sectional plane is trapezoidal or approximate trapezoid, material is less to the lateral pressure of deflector chute, simultaneously, the deflector chute inboard is equipped with the antifriction plate, the friction coefficient of material and deflector chute is less, so the friction force of material and deflector chute both sides reduces greatly, and the required driving power of system also reduces greatly.After skip bucket leaves, electric system control motor low cruise, main gate is opened, and the material in the feed bin enters the material part deflector chute through linkage section, bulkhead gate, main gate.Motion along with load-transfer device, move up in the part deflector chute of weighing before driving material, cause that the part support of weighing has downward displacement, because of the material part with weigh and be provided with and flexibly connect between the part, the material part can not retrain this displacement like this, thereby weighing results can be not influenced, along with the continuation operation of load-transfer device, material in the feed bin continues to fall to entering the material part deflector chute and replenishes under the effect of deadweight, move up into the part deflector chute of weighing before the continuation.Material in the part of weighing the like this deflector chute is more and more, LOAD CELLS constantly sends the weight information of material to electric system, when the material in the part of weighing reaches setting weight, electric system sends signal, main gate is closed, and the material in the feed bin just can not enter the material part deflector chute more like this.
Load-transfer device imports the part deflector chute of weighing with the material of all whereabouts in the operational process.When foremost material arrived the desired location, the material sensor that is located at this place sent signal to electric system, and electric system stops motor rotation, and load-transfer device is out of service.LOAD CELLS will be accurately weight of material information send electric system record, computing to, wait for the skip bucket signal that puts in place, starter motor unloads then.
The take-up device of level two directions of the part of weighing support below can guarantee the to weigh balance and stability of the part support and the part deflector chute of weighing does not influence the vertical direction displacement simultaneously again, guarantees weighing precision.
Be located near the cylinder sideslip of taking turns load-transfer device that becomes and play the correction effect of forcing into the adhesive tape or first band both sides anti-deviation of point.
The back upper place of material part support and material part deflector chute is provided with the rear portion hanger rail, is used for moving after material part deflector chute and the main gate integral body, so that maintenance head roll, belt tensioning drum and miscellaneous equipment and be connected the usefulness of load-transfer device.
The top of the part of the weighing support and the part deflector chute of weighing is provided with vertical hanger rail, is used for carrying heavier object, and the system of being convenient to installs and maintenance.
The present invention eliminates the influence of storehouse pressure to check weighing with First Tape Feeder and force sensor technologies organic assembling and improvement, improves the check weighing precision, the degree of freedom that the part of weighing only has above-below direction to move, safe and reliable to operation, reduce the friction force between material when operation and the deflector chute, make running power littler.Also have following remarkable advantage simultaneously: (1) integral structure is simple, can anti-water-containing materials.(2) volume is little, and is in light weight, and required installing space is little.(3) running power is little, and expenditure of energy is little, and performance driving economy is good.(4) operate steadily, noise is little, more environmental protection.(5) wearing and tearing are little, and maintenance is little, and is easy to maintenance, long service life.(6) component universality is strong, and installation and maintenance are convenient.It can be widely used in the fixed heavy transportation art of materials such as coal, mine.
Description of drawings
Fig. 1 is the structural representation of quantitative loading device of the present invention;
Fig. 2 is A among Fig. 1 of the present invention-A cutaway view;
Fig. 3 is B among Fig. 1 of the present invention-B cutaway view;
Fig. 4 is the structural representation of load-transfer device of the present invention when being adhesive tape;
Fig. 5 is the structural representation of load-transfer device of the present invention when being the first band;
Fig. 6 is the partial enlarged drawing of I among Fig. 1 of the present invention;
Fig. 7 is C among Fig. 6 of the present invention-C cutaway view.
Among the figure, the 1 part deflector chute of weighing, 2 vertical hanger rails, 3 flexibly connect, 31 straight pins, 32 connecting rods, 33 sealing bands, 4 main gates, 5 feed bins, 6 linkage sections, 7 bulkhead gates, 8 material part deflector chutes, 9 rear portion hanger rails, 10 supporting legs, 11 material part supports, 12 belt tensioning drums, 13 first bands, 14 head rolls, 15 anti-deviation wheels, 16 adhesive tapes, 17 carrying rollers, the 18 part supports of weighing, 19 LOAD CELLS, 20 take-up devices, 201 straight pins, 202 pull bars, 203 spiral tensionings, 21 skip buckets, 22 fens coal devices, 23 changed course cylinders, 24 material sensors, 25 antifriction plates, 26 deflector chute cross-sectional planes, 27 materials, 28 feedways, 29 reductors, 30 motors.
The specific embodiment
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, material part support 11 is fixed on the basis by supporting leg 10, the part of weighing support is provided with LOAD CELLS 19 18 times, on weigh part support 18 and material part support 11, feedway 28 is set, feedway 28 is by head roll 14, changed course cylinder 23, belt tensioning drum 12, first band 13 and adhesive tape 16 are formed, and adhesive tape 16 is looped around on head roll 14 and the changed course cylinder 23, and first band 13 is wrapped in adhesive tape 16 outsides, be looped around on belt tensioning drum 12 and the changed course cylinder 23, between head roll 14 and the changed course cylinder 23 some groups of carrying rollers 17 be set.Above feedway 28, be provided with weigh part deflector chute 1 and material part deflector chute 8, between the part of weighing support 18 and the material part support 11 and weigh between part deflector chute 1 and the material part deflector chute 8 adopt do not limit the vertical direction displacement flexibly connect 3, the straight pin 31 that flexibly connects in 3 is separately fixed on weigh part deflector chute 1 and the material part deflector chute 8, connecting rod 32 is connected on the straight pin 31, is provided with sealing band 33 between the part of weighing deflector chute 1 and the material part deflector chute 8.Deflector chute cross-sectional plane 26 is shaped as trapezoidal or approximate trapezoid, the part of weighing deflector chute 1 and material part deflector chute 8 inside faces are equipped with antifriction plate 25, linkage section 6 tops are provided with bulkhead gate 7, be provided with main gate 4 in the material part deflector chute 8, the part of weighing support 18 is provided with the take-up device 20 of limit levels direction displacement, pull bar 202 in the take-up device 20 is hinged with weigh part support 18 and basis by straight pin 201, is provided with spiral tensioning 203 in the middle of the pull bar 202.Become to being provided with into an adhesive tape both sides near cylinder and anti-deviationly take turns 15, the back upper place of material part support 11 and material part deflector chute 8 is provided with rear portion hanger rail 9, and the part of the weighing support 18 and part deflector chute 1 top of weighing are provided with vertical hanger rail 2.
During the quantitative loading equipment work, after electrical equipment is received the signal that puts in place of skip bucket 21, starter motor 30 high-speed operations, drive speed reducer 29 drives head roll 14 fast turn-arounds, drive the operation fast under the support of carrying roller 17 of adhesive tape 16, first band 13, the material that weighs up 27 is discharged into skip bucket 21 through undue coal device 22, and material 27 is unsnatched the back and is sent by electric system and can promote signal and allow skip bucket 21 to promote.Because deflector chute cross-sectional plane 26 is trapezoidal, material 27 is less to its lateral pressure, the part of weighing simultaneously deflector chute 1 and the material part deflector chute 8 inboard antifriction plates 25 of laying, material 27 is less with the friction coefficient of deflector chute, therefore material 27 reduces greatly with the friction force of deflector chute both sides, and the required driving power of system also reduces greatly.After skip bucket 21 leaves, electric system control motor 30 low cruises, main gate 4 is opened, and the material in the feed bin 5 enters material part deflector chute 8 through linkage section 6, bulkhead gate 7, main gate 4.Along with adhesive tape 16, the motion of first band 13, move up in the part deflector chute 1 of weighing before driving material, LOAD CELLS 19 by part support 18 belows of weighing is weighed, what this LOAD CELLS 19 adopted is the hydraulic pressure weight-measuring device, material in the feed bin 5 continues to fall to entering material part deflector chute 8 and replenishes under the effect of deadweight, material moves up into the part deflector chute 1 of weighing before continuing, cause that the part support 18 of weighing has downward displacement, this displacement causes that again flexibly connecting in 3 connecting rod 32 rotates around straight pin 31, material part deflector chute 8 and material part support 11 can not retrain this displacement like this, thereby weighing results can be not influenced.Continuation campaign along with adhesive tape 16, first band 13, material 27 in the part of the weighing deflector chute 1 is more and more, LOAD CELLS 19 constantly sends the weight information of material 27 to electric system, when the material 27 in the part deflector chute 1 of weighing reaches setting weight, electric system sends signal, main gate 4 is closed, the material after the main gate 4 just can not move forward in the material part deflector chute 8 like this, and the adhesive tape 16 of operation, first band 13 import the part deflector chute 1 of weighing with all materials before the main gate 4.When the desired location of arrival foremost of material 27, the material sensor 24 that is located at this place sends signal to electric system, and electric system stops motor 30 runnings, and adhesive tape 16, first band 13 are out of service.LOAD CELLS 19 weight of material information accurately sends electric system record, computing to, waits for skip bucket 21 starter motor 30 behind the signal that puts in place, repeats said process.
During equipment work, bulkhead gate 7 is in open mode, only just closes when overhaul of the equipments, material in the feed bin 5 and lower part equipment is separated easy access equipment.
The take-up device 20 of the part of weighing support 18 lower horizontal two directions can guarantee the to weigh balance and stability of the part support 18 and the part deflector chute 1 of weighing.
Close cylinder becomes and takes turns 15 into the anti-deviation of adhesive tape both sides setting, is fixed on weigh part support 18 and the material part support 11, and adhesive tape 16 is played the correction effect of forcing.
The back upper place of material part support 11 and material part deflector chute 8 is provided with rear portion hanger rail 9, is used for moving after material part deflector chute 8 and main gate 4 integral body, so that overhaul head roll 14, belt tensioning drum 12 and connect adhesive tape 16, first band 13.
The top of the part of the weighing support 18 and the part deflector chute 1 of weighing is provided with vertical hanger rail 2, is used for carrying heavier object, is convenient to equipment installation and checkout (EIC).
Embodiment 2:
With embodiment 1, different is, feedway 28 is made up of head roll 14, changed course cylinder 23 and adhesive tape 16, adhesive tape 16 be looped around head roll 14 and the cylinder 23 that alters course on, cancelled first band 13 and belt tensioning drum 12, as Fig. 2, Fig. 3, Fig. 4, Fig. 6, shown in Figure 7.
Embodiment 3:
With embodiment 2, different is, feedway 28 is made up of head roll 14, changed course cylinder 23 and first band 13, first band 13 is looped around on head roll 14 and the changed course cylinder 23, has cancelled adhesive tape 16 and belt tensioning drum 12, anti-deviationly takes turns 15 and is installed in 13 descending sections on first band and becomes into the both sides of point near cylinders, as Fig. 3, Fig. 5, Fig. 6, shown in Figure 7.
Specific embodiments of the invention have been announced its preferred implementation, but are not limited to this kind embodiment.Those of ordinary skill in the art understands spirit of the present invention according to the foregoing description, and makes different amplifications and variation, does not break away from spirit of the present invention, all in this patent protection domain.
Claims (10)
1, a kind of fixed-weight loading equipment comprises actuating device, deflector chute, feedway and support, deflector chute are arranged on the feedway, and feedway is arranged on the support, it is characterized in that: support and deflector chute are divided into the material part and the part of weighing, and are provided with LOAD CELLS below the part of the weighing support.
2, fixed-weight loading equipment according to claim 1 is characterized in that: the load-transfer device of feedway is adhesive tape or first band or the composite band that combined by adhesive tape and first band.
3, fixed-weight loading equipment according to claim 1 is characterized in that: the material part of support and deflector chute and weigh to adopt between the part and do not limit flexibly connecting of vertical direction displacement.
4, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the deflector chute cross-sectional plane is trapezoidal or approximate trapezoid.
5, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the deflector chute inside face is equipped with the antifriction plate.
6, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the material part deflector chute is provided with gate.
7, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the part of weighing support is provided with the take-up device of limit levels direction displacement.
8, according to claim 1 or 2 or 3 described fixed-weight loading equipments, it is characterized in that: becoming near cylinder is provided with anti-deviation the wheel into the adhesive tape or the first band both sides of putting.
9, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the back upper place of material part support and material part deflector chute is provided with the rear portion hanger rail.
10, according to claim 1 or 3 described fixed-weight loading equipments, it is characterized in that: the top of the part of the weighing support and the part deflector chute of weighing is provided with vertical hanger rail.
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| CNA2009101301109A CN101497402A (en) | 2009-03-17 | 2009-03-17 | Fixed-weight loading equipment |
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| CNA2009101301109A CN101497402A (en) | 2009-03-17 | 2009-03-17 | Fixed-weight loading equipment |
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| CN102358524A (en) * | 2011-10-09 | 2012-02-22 | 山西长治维特衡器有限公司 | Quick quantitative entrucking system |
| CN103204352A (en) * | 2013-03-25 | 2013-07-17 | 中国矿业大学 | Continuous dynamic weighing chain belt type feeding machine |
| CN103407797A (en) * | 2013-07-25 | 2013-11-27 | 济南济钢铁合金厂 | Ton bag feeding device and feeding method |
| CN103640907A (en) * | 2013-12-05 | 2014-03-19 | 重庆市酉阳县酉好化肥有限公司 | Accurate-metering charging device |
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| CN102358524A (en) * | 2011-10-09 | 2012-02-22 | 山西长治维特衡器有限公司 | Quick quantitative entrucking system |
| CN103204352B (en) * | 2013-03-25 | 2015-12-09 | 中国矿业大学 | A kind of dynamic weighing chain belt type feeding machine continuously |
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Application publication date: 20090805 |