CN102502128B - Material clearing machine - Google Patents
Material clearing machine Download PDFInfo
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- CN102502128B CN102502128B CN201110337477.5A CN201110337477A CN102502128B CN 102502128 B CN102502128 B CN 102502128B CN 201110337477 A CN201110337477 A CN 201110337477A CN 102502128 B CN102502128 B CN 102502128B
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- push rod
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- oil cylinder
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Abstract
The invention provides a material clearing machine. One end of a protective cover is fixedly connected with a speed reducer, an input end of the speed reducer is connected with an output end of a motor, the other end of the protective cover is fixedly connected with a connecting flange, an output end of the speed reducer is connected with a rotary transmission sleeve positioned on the inner side of the protective cover, a bearing is mounted between the rotary transmission sleeve and a push rod, the speed reducer can drive the rotary transmission sleeve to rotate, the rotary transmission sleeve matches with the push rod, one end of the push rod is mounted inside the rotary transmission sleeve, an oil cylinder is mounted between the rotary transmission sleeve and the protective cover and provided with a piston and an oil cylinder lower end cover, the piston is connected with one end, which is positioned inside the rotary transmission sleeve, of the push rod, the oil cylinder lower end cover is fixed to the outer side of the rotary transmission sleeve, the other end of the push rod penetrates through the connecting flange to be connected with a headstock, and a head is mounted on the headstock. By the aid of the material clearing machine, arching, caking and blocking of materials due to any reasons can be effectively cleared.
Description
Technical field
The present invention relates to a kind of multiple fields such as mine, petrochemical complex, electric power, colliery, cement mill that is applied to and solve material canopy, stifled material clearing machine in feed bin.
Background technology
Power plant coal supply system is the important system of boiler energy supply, is to former coal bunker, through coal spout, feeder, supplying with boiler combustion by Belt Conveying.
Material canopy, stifled reason be raw coal while digging from the ground common aqueous ingredients be 8%-16%.Coal is deposited through the surface moisture that repeatedly drenches with rain larger in the open, after entering former coal bunker, be very easy to knot arch, canopy arch, chute blockage, regional northeastward in addition, winter temperature reaches below-30 ℃, and raw coal enters after coal bunker, warm frost, there is caking, in coal bunker, often occur caking phenomenon, cause knot arch chute blockage, general knot arch position is all in run coal bin and coal spout junction.
Now both at home and abroad, the following technology of conventional employing addresses the above problem: air bubble technology, bunker wall vibration technology and loosening machine technology.
Air bubble technology is that device is fixed on raw coal bulkhead, is the dynamics of general qi of chong channel ascending adversely, and for the run coal bin of carrying 300-600 ton coal amount, dynamics is too little can not play broken arch effect, for the raw coal freezing, of no avail especially.
Bunker wall vibration technology, for the raw coal of larger moisture, can only shake more solid and more solid, cannot reach clear and coherent object.
The application of loosening machine technology is more, and it is more satisfactory to the loose effect of wetter raw coal, is generally arranged on the both sides of bulkhead, yet its loose area is less, loose tooth is perishable, distortion, the foreign material such as straw rope big gun line easy to hang, so this kind of device to former coal caking clear and coherent be do not have resultful.
According to above various technological analysiss, comparison, all there is to some extent defect, it is clear and coherent that the chute blockage that former coal caking is caused can not carry out actv..In view of this, for solving all deficiencies of the prior art, the research and development of the inventor based on association area, and through constantly test and improvement, and then have generation of the present invention.
Summary of the invention
The problem existing for prior art, the object of this invention is to provide a kind of no matter any reason cause material produce knot arch, caking, stop up can both be effectively clear and coherent material clearing machine.
For achieving the above object, the invention provides a kind of material clearing machine, it is characterized in that, comprise: head, headstock, push rod, rotary drive sleeve, oil cylinder, piston, bearing, reductor, electrical motor, protective cover, butt flange, oil cylinder bottom end cover and clear foreign material sleeve pipe, described protective cover is hollow cylindrical, one end of protective cover is fixedly connected with decelerator shell, the input end of reductor is connected with motor output end, described electrical motor is positioned at protective cover outside, the other end of protective cover is fixedly connected with butt flange, the mouth of described reductor is connected with the rotary drive sleeve that is positioned at protective cover inner side, between described rotary drive sleeve and protective cover, bearing is installed, reductor can be rotated by driven rotary drive socket, described rotary drive sleeve matches with push rod, one end of push rod is installed on the inside of rotary drive sleeve, between described rotary drive sleeve and protective cover, oil cylinder is installed, described oil cylinder has piston and oil cylinder bottom end cover, described piston is connected with this end that push rod is positioned at rotary drive sleeve inner, described oil cylinder bottom end cover is fixed on the outside of rotary drive sleeve, the other end of push rod is connected with headstock through butt flange, on described headstock, head is installed, on described push rod, be also provided with limit switch.
Described material clearing machine, wherein, moment device was also installed on described push rod, the described moment device of crossing comprises outer ring and inner ring, described outer ring has internal tooth, described inner ring has the external tooth being meshed with described internal tooth, and the center of described inner ring has through hole, push rod run through described through hole and make inner ring and push rod circumferentially fixing.
Described material clearing machine, wherein, described rotary drive sleeve is radially provided with hexagonal through hole, and described push rod is that cross section is hexagonal cylindrical body.
Described material clearing machine, wherein, described head is comprised of two chiasma type fins, and two fin afterbody laps are connected by center bearing pilot bearing, and fin shape is square cone.
Described material clearing machine, wherein, described retarder is selected planet cycloid device.
Described material clearing machine, wherein, the side near butt flange in described protective cover is provided with dust-proof seal ring.
Described material clearing machine, wherein, described oil cylinder adopts hydraulic ram.
Described material clearing machine, wherein, described head is inserted in coal bunker and in feeder, described coal bunker is funnel-form, the lower end of coal bunker is connected with feeder by coal spout, in described coal spout, insertion plate door is installed, and for controlling coal bunker, is communicated with or intercepts with feeder.
Beneficial effect of the present invention is: be for faults such as the common canopy coal of all kinds of coal bunkers, feed bin, knot arch, chute blockage, disconnected coals and the automatic material clearing device of new generation of development and Design; it is widely used in the multiple fields such as mine, petrochemical complex, electric power, colliery, cement mill, and failure-free has been protected and caused generating set accident because of the disconnected coal of feeder.Material clearing machine adopts mechanical, electrical, liquid integrated design, and advanced DCS/PLC control system has clear and coherent facility intelligent high, reliability is strong, and failure rate is low is simple to operate, the feature such as easy to maintenance, replaces the dredging modes such as bunker wall vibration device, air bubble, loosening machine completely.The advantage of dredging machine is that clear and coherent rate is more than 99%, and wide adaptability can carry out effectively clear and coherent for various materials.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, patent of the present invention is described further
Fig. 1 is the partial cutaway schematic of material clearing machine of the present invention;
Fig. 2 is the present invention's scheme of installation in actual applications;
Fig. 3 A and Fig. 3 B were respectively the outer ring of moment device and the schematic diagram of inner ring;
Fig. 4 is the schematic diagram of head.
Description of reference numerals: 1-head; 1 '-fin; 1 "-center shaft; 2-headstock; 3-push rod; 4-rotary drive sleeve; 5-oil cylinder; 6-piston; 7-bearing; 8-reductor; 9-electrical motor; 10-crosses moment device; 101-outer ring; 1011-internal tooth; 102-inner ring; 1021-external tooth; 1022-through hole; 11-protective cover; 12-limit switch; 13-dust-proof seal ring; 14-butt flange; 16-oil cylinder bottom end cover; The clear foreign material sleeve pipe of 17-; 18-vibrator; 21-coal bunker; 23-coal spout; 24-insertion plate door; 25-feeder.
The specific embodiment
About the present invention is the application target that reaches above-mentioned and effect and the technological means that adopts, now enumerate better feasible embodiment, and coordinate shown in accompanying drawing, details are as follows:
First as shown in Figure 1, its partial cutaway schematic that is material clearing machine of the present invention.Material clearing machine of the present invention includes: head 1, headstock 2, push rod 3, rotary drive sleeve 4, oil cylinder 5, piston 6, bearing 7, reductor 8, electrical motor 9, mistake moment device 10, protective cover 11, limit switch 12, dust-proof seal ring 13, butt flange 14, oil cylinder bottom end cover 16 and clear foreign material sleeve pipe 17.
Wherein, described protective cover 11 is hollow cylindrical, and its one end is fixedly connected with reductor 8 shells, and the input end of reductor 8 is connected with electrical motor 9 mouths, and described electrical motor 9 is positioned at protective cover 11 outsides.The other end of protective cover 11 is fixedly connected with butt flange 14.
The mouth of described reductor 8 is connected with the rotary drive sleeve 4 that is positioned at protective cover 11 inner sides, between described rotary drive sleeve 4 and protective cover 11, bearing 7 is installed, and reductor 8 can be rotated by driven rotary drive socket 4.
Rotary drive sleeve 4 is radially provided with hexagonal through hole, described push rod 3 is hexagonal cylindrical body for cross section, described rotary drive sleeve 4 matches with push rod 3, one end of push rod 3 is installed on the inside of rotary drive sleeve 4, when 4 rotation of rotary drive sleeve, push rod 3 can be driven and be rotated.Between described rotary drive sleeve 4 and protective cover 11, oil cylinder 5 is also installed, described oil cylinder 5 has piston 6 and oil cylinder bottom end cover 16, described piston 6 is connected with this end that push rod 3 is positioned at rotary drive sleeve 4 inside, 16 outsides of being fixed on rotary drive sleeve 4 of described oil cylinder bottom end cover.Described oil cylinder 5 adopts hydraulic efficiency pressure system as propelling thrust, and thrust, up to several tons, advances length range at 500-1500mm.Can design particular length as required.The other end of push rod 3 is connected with headstock 2 through butt flange 14, on described headstock 2, head 1 is installed.
In order to reach the clear and coherent area of actv., push rod 3 when advancing or retreat with rotation, the propulsion source of rotation is to utilize electrical motor 9 to slow down by retarder 8, make push rod 3 rotations, the radius of rotation of head 1 is 100-300mm, general material blanking tube 25 (seeing Fig. 2) is 600-800mm, and the clear and coherent area of head 1 can meet the clear and coherent object of material completely.Preferably, retarder 8 can be selected planet cycloid device.
Owing to containing a large amount of moisture content in material, alkali compounds, acid compound, therefore head 1 adopts 1Cr18Ni9Ti material, and after quitting work, push rod 3 and head 1 fall back on feed bin outside, actv. is avoided wearing and tearing and corrosion.
As shown in Figure 3 A and Figure 3 B, be respectively the outer ring of moment device and the schematic diagram of inner ring.On described push rod 3, moment device 10 was installed, the described moment device 10 of crossing comprises outer ring 101 and inner ring 102, described outer ring 101 has internal tooth 1011, described inner ring 102 has the external tooth 1021 being meshed with described internal tooth 1011, and described inner ring 102 center has through hole 1022, push rod 3 runs through described through hole 1022 and makes inner ring 102 and push rod 3 circumferentially fixing.When clear and coherent machine runs into the large-scale thing piece that shape is large and hardness is higher at work, clear and coherent difficulty can increase to some extent, for this situation, crosses moment device 10 and automatically knocks function for clear and coherent machine provides.This function is that the push rod 3 that is accompanied by the rotation of clear and coherent machine is realized, when electrical motor 9 drives push rod 3 rotation, if can stop the rotation when push rod 3 is subject to resistance in forward travel state, therefore inner ring 102 can stop the rotation, and outer ring 101 drives at electrical motor 9 under the state of reductors 8 still in continuous rotation, under this state, the wheel between cog of inner ring 102 stretches out because discontinuity is successional and returns phenomenon, will form knocking state like this, hammer force is two joules, after material smashes, push rod 3 proceeds to slew mode automatically, when push rod 3 arrives extreme length, automatically be retracted into feed bin outside.
When advancing, retreating and rotating for fear of push rod 3, the foreign material such as the straw rope in material, silk bag, big gun line are wrapped on push rod 3, the outside of butt flange 14 is also installed with foreign material sleeve pipe 17 clearly, and described head 1 is designed to movable, when push rod 3 advances, head 1 opens automatically, when push rod 3 returns to initial position, lean on clear foreign material sleeve 17 by head 1 closure, and the eliminating impurities being wrapped on push rod 3 is clean.Especially as shown in Figure 4, described head 1 is comprised of two chiasma type fins 1 ', two fin 1 ' afterbody laps are by center shaft 1 " hold connection, fin shape is square cone, when hydraulic stem advances, the fin 1 ' that intersects meets obstructions and can automatically open while being pushed to outside support groove, follow this spinfunction to start to carry out clear and coherent work, after cycle of operations finishes, hydraulic stem starts to drive fin to retreat, when returning to trough, the edge of trough can be encountered in the back of the fin in open configuration always, under the effect of resistance, fin can slowly overlap, and fall back in trough together.The feature of described head is exactly that head can be closed automatically after clear and coherent machine end-of-job, and returns in groove, and it is little that the head of this form occupies space, is conducive to the whereabouts of material, safeguards also very convenient.
It is clear and coherent first-class that described head 1 is divided into centrum head, semi-circular socket cap, large-scale tube wall, is applicable to the multiple fields such as mine, petrochemical complex, electric power, colliery, cement mill, and clear and coherent effect is remarkable, has guaranteed to a certain extent production, reduces the waste of human resources.
On described push rod 3, be also provided with limit switch 12.
In addition, the interior side near butt flange 14 of described protective cover 11 is provided with dust-proof seal ring 13.
Again as shown in Figure 2, be the present invention's scheme of installation in actual applications.Described coal bunker 21 is funnel-form, and its lower end is connected with feeder 25 by coal spout 23, and insertion plate door 24 is installed in described coal spout 23, for controlling coal bunker 21, is communicated with or intercepts with feeder 25.The head of described material clearing machine 22 is inserted in coal bunker 21 and in feeder 25.
The control setup of material clearing machine of the present invention is provided with dredging program, fracture signal switch is housed in supply pipe, when switch sends fracture signal and delivers to clear and coherent machine control housing, set PLC follow procedure primer fluid pressure oil pump in cabinet, open fuel feeding magnet valve, electrical motor 9 starts simultaneously, after slowing down by retarder 8, driven rotary drive socket 4 rotates and push rod 3 is rotated, by piston 6, promoting push rod 3 moves ahead, now head 1 stretches out foreign material sleeve pipe 17 clearly, head 1 is under the effect of spring force, head 1 is opened automatically, hole, push rod 3 runs into hard material piece in advancing, the push rod 3 front portions moment device 10 that stopped the rotation starts automatically, under the effect of sour jujube piece, make head 1 produce hammering, back and forth hammering, after material piece smashes, head proceeds to the dress state that selects automatically, continue to move ahead, when push rod 3 is forwarded to while approaching extreme length, machinery triggers limit switch 12, stop moving ahead, when gear limit switch 12 is malfunctioning, by PLC, programme the pre-set time, push rod 3 halts automatically, as protection for the second time, follow procedure piston 6 proceeds to be return, now electrical motor 9 starts reversion, push rod 3 is return, fall back on limit switch action or PLC is time qualified stops, a working cycle finishes when push rod is return, head 1 is by clear foreign material bobbin 17, make head 1 closure, when push rod 3 advances or returns in rotation, linear foreign material in material may be wrapped on push rod, the one, by anyway turning and clear up, moreover by clear thing sleeve pipe, foreign material are scraped totally, if recovering clear and coherent machine, fracture signal do not continue working in reciprocating mode, until, fracture signal recovers.
In order to reduce operating personal, reduce labour intensity, material clearing machine is designed on the spot program and opens/stop with distant place program and open/stop, and automatically opens/stops.After material grid, stifled signal send, material clearing machine is received after working signal, automatically start follow procedure and carry out working in reciprocating mode, in control box, being provided with PLC Programmer can be working in reciprocating mode 1 time or n time by clear and coherent machine operation procedure volume, also can compile after receiving fracture signal and automatically start clear and coherent machine, while receiving the unimpeded signal of material, can automatically stop.
By material canopy, stifled reason are analyzed, a material degree, surface temperature, feeder form, feed bin structure form, the particular location that material canopy is stifled, general canopy, stifled position are in feed bin and tremie pipe junction, flow area is minimum herein, the material power maximum that is squeezed, between material there is maximum frictional force and compared with strong adhesive power, after material is squeezed, be bonded together and form canopy arch, caking phenomenon, another kind is because slow the freezing of material in winter makes material lump on feeder top, feeder belt cannot be taken away material, occur bite phenomenon.
According to above-mentioned concrete canopy, stifled position, material clearing machine is installed, setting angle is between 45 °-70 °, according to feed bin structure, determine that clear and coherent bar advances the degree of depth, can reach effectively clear and coherent, can not occur again scraping, blocking phenomenon, clear and coherent area is to determine according to the characteristic of material and tremie pipe minimum area, and common clear and coherent radius is in 100-300mm scope, each feed bin can, according to canopy, stifled position, can be installed one or more clear and coherent equipment and guarantee effectively clear and coherent.
Material clearing machine of the present invention is for faults such as the common canopy coal of all kinds of coal bunkers, feed bin, knot arch, chute blockage, disconnected coals and the automatic material clearing device of new generation of development and Design; it is widely used in the multiple fields such as mine, petrochemical complex, electric power, colliery, cement mill, and failure-free has been protected and caused generating set accident because of the disconnected coal of feeder.Material clearing machine adopts mechanical, electrical, liquid integrated design, and advanced DCS/PLC control system has clear and coherent facility intelligent high, reliability is strong, and failure rate is low is simple to operate, the feature such as easy to maintenance, replaces the dredging modes such as bunker wall vibration device, air bubble, loosening machine completely.The advantage of dredging machine is that clear and coherent rate is more than 99%, and wide adaptability can carry out effectively clear and coherently for various materials, by consulting domestic and international pertinent data, do not have this kind of principle and clearing device of the same type, belongs to pioneering in fact.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it, but they all will fall within the scope of protection of the present invention in claim within the spirit limiting and scope.
Claims (8)
1. a material clearing machine, it is characterized in that, comprise: head, headstock, push rod, rotary drive sleeve, oil cylinder, piston, bearing, reductor, electrical motor, protective cover, butt flange, oil cylinder bottom end cover and clear foreign material sleeve pipe, described protective cover is hollow cylindrical, one end of protective cover is fixedly connected with decelerator shell, the input end of reductor is connected with motor output end, described electrical motor is positioned at protective cover outside, the other end of protective cover is fixedly connected with butt flange, the mouth of described reductor is connected with the rotary drive sleeve that is positioned at protective cover inner side, between described rotary drive sleeve and protective cover, bearing is installed, reductor can be rotated by driven rotary drive socket, described rotary drive sleeve matches with push rod, one end of push rod is installed on the inside of rotary drive sleeve, between described rotary drive sleeve and protective cover, oil cylinder is installed, described oil cylinder has piston and oil cylinder bottom end cover, described piston is connected with this end that push rod is positioned at rotary drive sleeve inner, described oil cylinder bottom end cover is fixed on the outside of rotary drive sleeve, the other end of push rod is connected with headstock through butt flange, on described headstock, head is installed, the outside of described butt flange is fixed with described clear foreign material sleeve pipe.
2. material clearing machine according to claim 1, is characterized in that, described rotary drive sleeve is radially provided with hexagonal through hole, and described push rod is that cross section is hexagonal cylindrical body.
3. material clearing machine according to claim 1, is characterized in that, described head is comprised of two chiasma type fins, and two fin afterbody laps are connected by center bearing pilot bearing, and fin shape is square cone.
4. material clearing machine according to claim 1, is characterized in that, is also provided with limit switch on described push rod.
5. material clearing machine according to claim 1, is characterized in that, described retarder is selected planet cycloid device.
6. material clearing machine according to claim 1, is characterized in that, the side near butt flange in described protective cover is provided with dust-proof seal ring.
7. material clearing machine according to claim 1, is characterized in that, described oil cylinder adopts hydraulic ram.
8. material clearing machine according to claim 1, it is characterized in that, described head is inserted in coal bunker and in feeder, described coal bunker is funnel-form, the lower end of coal bunker is connected with feeder by coal spout, in described coal spout, insertion plate door is installed, for controlling coal bunker, is communicated with feeder or intercepts.
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| CN201110337477.5A CN102502128B (en) | 2011-10-31 | 2011-10-31 | Material clearing machine |
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| CN201110337477.5A CN102502128B (en) | 2011-10-31 | 2011-10-31 | Material clearing machine |
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| CN102502128A CN102502128A (en) | 2012-06-20 |
| CN102502128B true CN102502128B (en) | 2014-05-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043333A (en) * | 2013-01-04 | 2013-04-17 | 青岛松灵电力环保设备有限公司 | Pulverized coal disturbing machine |
| CN103274135A (en) * | 2013-06-24 | 2013-09-04 | 张井龙 | Bunker dredging machine |
| CN104555154B (en) * | 2013-10-23 | 2018-06-05 | 郑州大学 | Storage bin arc-breaking device |
| CN104555153B (en) * | 2013-10-23 | 2018-04-13 | 河南辉强机械设备有限公司 | Turn round direct acting arch breaking apparatus |
| CN103612845A (en) * | 2013-12-16 | 2014-03-05 | 安徽康迪纳电力科技有限责任公司 | Device for solving coal clogging problem of coal feeder |
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| CN201228148Y (en) * | 2008-06-21 | 2009-04-29 | 马秀玲 | Hydraulic boosting blanking apparatus |
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Application publication date: 20120620 Assignee: Beijing Shixin Albert combustion equipment Technology Co. Ltd. Assignor: Fan Chang|Yang Xianmin|Wei Fan Contract record no.: 2015210000055 Denomination of invention: Material clearing machine Granted publication date: 20140507 License type: Exclusive License Record date: 20150724 |
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Effective date of registration: 20220615 Address after: 125200 No. 16, north section of Chuangye street, district a, dongdaihe new area, Suizhong County, Huludao City, Liaoning Province Patentee after: LIAONING LONGDIAN WEIYE NEW ENERGY SCIENCE & TECHNOLOGY CO.,LTD. Address before: Room 2104, block a, Longdian garden, No. 14, Dacheng street, Nangang District, Harbin, Heilongjiang 150070 Patentee before: Fan Chang Patentee before: Yang Xianmin Patentee before: Fan Wei |
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