CN103240172A - Gangue discharge mechanism of shallow slot scraper heavy medium separator - Google Patents
Gangue discharge mechanism of shallow slot scraper heavy medium separator Download PDFInfo
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- CN103240172A CN103240172A CN2013102169861A CN201310216986A CN103240172A CN 103240172 A CN103240172 A CN 103240172A CN 2013102169861 A CN2013102169861 A CN 2013102169861A CN 201310216986 A CN201310216986 A CN 201310216986A CN 103240172 A CN103240172 A CN 103240172A
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- bend wheel
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- scraper plate
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Abstract
The invention discloses a gangue discharge mechanism of a shallow slot scraper heavy medium separator, and belongs to the technical field of coal separation. The gangue discharge mechanism is mainly used for gangue discharge and separation of lump coal. The gangue discharge mechanism comprises a slot body, a transmission mechanism and a scraper, wherein a gangue discharge port is formed at the front part of the slot body; an upper slide rail and a lower slide rail are arranged at the bottom of the slot body; a rear part bend wheel and a middle bend wheel are mounted on a side plate of the slot body; the transmission mechanism consists of a driving wheel, a support wheel, a tensioning wheel, the rear part bend wheel and the middle bend wheel; each of the driving wheel, the support wheel, the tensioning wheel, the rear part bend wheel and the middle bend wheel is equipped with a pair of chain wheels; two rows of chains are meshed with the chain wheels; horizontal sections and slope sections of the chains are embedded between the upper slide rail and the lower slide rail respectively; the chains are connected with the scrapers; and the transmission mechanism drives the transmission wheels to rotate and roll through the chains to lift gangue obtained after the separation from the bottom of the slot body to the gangue discharge port for discharging through the scrapers. The gangue discharge mechanism reduces the abrasion among the chains and the slide rails, and is low in cost, simple, reliable and easy to change.
Description
Technical field
The present invention relates to the separator discharge refuse mechanism that uses in a kind of coal preparation technology field, particularly design a kind of sorting of lump coal and shallow slot scraper plate heavy-media separator discharge refuse mechanism of discharge refuse of being mainly used in.
Background technology
Shallow slot scraper plate heavy-media separator is widely used in coal preparation plant's industrial production, is lump coal main separation equipment, is applicable to hm coal preparation plant to lump coal separation and discharge refuse, and its efficiency of separation height, disposal ability are big, are one of effective screening installations of difficult separation coal; Increase along with coal production, thermal coal goes into to wash the increase of ratio, shallow slot scraper plate dense medium separation method becomes the prefered method of current driving force coal sorting (especially lump coal separation), in newly-built coal preparation plant, shallow slot has replaced the upright wheel of traditional dense media lump coal separation equipment, oblique wheel etc. substantially.But from the shallow slot current application, its accessory especially chain and arc-shaped slide rail is changed frequent.Main cause is, shallow-tank separator chain and slide rail belong to sliding friction, and slide rail and chain long term wear cause the gap between the up and down slideway increasing, finally make spoil stick into slide rail and cause shutdown; Chain is influenced by the multiple of factor such as water, medium powder and coal slime for a long time, and experience wear or come off causes chain to lose efficacy, and just need change chain.Therefore increase production cost, influenced coal preparation plant's ordinary production.
Summary of the invention
For addressing the above problem, the invention provides a kind of arc-shaped slide rail that replaces prior art with rear portion bend wheel and middle bend wheel, transmission mechanism drives driving wheel, middle bend wheel, rear portion bend wheel, regulating wheel, support roller rotation rolling successively by chain, the spoil that obtains after the sorting is risen to the discharge refuse mouth from cell body bottom by scraper plate discharges, become slide to rolling, operating cost is low, structural design is simple and reliable, be easy to change the shallow slot scraper plate heavy-media separator discharge refuse mechanism of parts.
The technical solution adopted for the present invention to solve the technical problems is: a kind of shallow slot scraper plate heavy-media separator discharge refuse mechanism, comprise cell body, transmission mechanism, scraper plate, the front portion of described cell body is provided with the discharge refuse mouth, the bottom of cell body is provided with slide rail and glidepath, rear portion bend wheel and middle bend wheel are installed on the side plate of described cell body, described transmission mechanism is by driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is formed, driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is installed two auxiliary chain wheels respectively, chain is engaged on and forms two row on each sprocket wheel, the horizontal segment of chain, the slope section embeds respectively between slide rail and the glidepath, and two row chains connect with scraper plate.
Further, described middle bend wheel, rear portion bend wheel are made up of axle, wheel hub, sprocket wheel, bearing block respectively, and bearing block is separately fixed on the cell body side plate, and sprocket wheel, wheel hub, axle drive by chain and roll.
Further, described wheel hub and sprocket wheel are for dividing body structure, arranged crosswise.
Further, the sprocket wheel of described middle bend wheel, rear portion bend wheel is installed in respectively in the wheel hub groove.
Further, described middle bend wheel, rear portion bend wheel sprocket wheel embed respectively in the slide rail, and the slit is less than 10mm.
Further, the contact-making surface of described upward slide rail and middle bend wheel, rear portion bend wheel is arc.
Further, described rear portion bend wheel and chain engagement place are placed with the abrasive rubber that prevents that lump coal and spoil from snapping in
Adopt such scheme, compared with prior art, the present invention replaces arc-shaped slide rail with rear portion bend wheel and middle bend wheel, sliding friction is become rolling friction, significantly reduce the mechanical wear of slide rail and chain, prolonged the service life of slide rail and chain, reduced the production cost of coal preparation plant, increased the reliability of equipment, and changed easily.
Description of drawings
Fig. 1 is discharge refuse mechanism structure schematic diagram of the present invention
Fig. 2 is Fig. 1 A-A profile, also is the structural representation of the present invention's (afterwards) bend wheel.
Fig. 3 is the installation diagram of the present invention's (afterwards) bend wheel and sprocket wheel.
Mark is as follows among the figure: driving mechanism 1, support roller 2, regulating wheel 3, abrasive rubber 4, rear portion bend wheel 5, cell body 6, middle bend wheel 7, last slide rail 8, glidepath 9, chain 10, scraper plate 11, discharge refuse mouth 12, driving wheel 13, bearing block 14, axle 15, wheel hub 16, sprocket wheel 17.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing:
Present embodiment is a kind of shallow slot scraper plate heavy-media separator discharge refuse mechanism, by driving mechanism 1, support roller 2, regulating wheel 3, abrasive rubber 4, rear portion bend wheel 5, cell body 6, middle bend wheel 7, go up slide rail 8, glidepath 9, chain 10, scraper plate 11, discharge refuse mouth 12, driving wheel 13, sprocket wheel 17 etc. and form.
The discharge refuse structural scheme of mechanism is seen Fig. 1, and the lower front of cell body 6 is provided with discharge refuse mouth 12, and the top is equipped with driving mechanism 1, and driving mechanism 1 is made up of driving wheel 13, drive motors etc.The upper middle position of cell body 6 is equipped with support roller 2, and regulating wheel 3 is installed at the rear portion.The bottom of cell body 6 is provided with slide rail 8 and glidepath 9, and rear portion bend wheel 5 and middle bend wheel 7 are installed on the bottom side plate of cell body 6.Form transmission mechanism by driving wheel 13, support roller 2, regulating wheel 3, rear portion bend wheel 5, middle bend wheel 7, driving wheel 13, support roller 2, regulating wheel 3, rear portion bend wheel 5, that middle bend wheel 7 is furnished with two secondary 9(respectively is a pair of) sprocket wheel 17, chain 10 is engaged on and forms two row on each sprocket wheel, the horizontal segment of two row chains 10, slope section embed respectively between slide rail 8 and the glidepath 9, two row chains, 10 usefulness scraper plates 11 connect, and scraper plate 11 is articulated on the two row chains 10.The sprocket wheel 17 of middle bend wheel 7, rear portion bend wheel 5 is embedded in the slide rail 8, and the slit is less than 10mm.Last slide rail 8 is that arc is to realize rolling with the contact-making surface of middle bend wheel 7, rear portion bend wheel 5.Rear portion bend wheel 5 is placed with abrasive rubber 4 with chain 10 engagement places, and the effect of abrasive rubber 4 is to prevent that lump coal and spoil from snapping in.Driving mechanism 1 drives driving wheel 13, middle bend wheel 7, rear portion bend wheel 5, regulating wheel 3, support roller 2 rotation rollings successively by chain 10, the spoil that obtains after the sorting is risen to discharge refuse mouth 12 from cell body 6 bottoms by scraper plate 11 discharge.
As shown in Figure 2, middle bend wheel 7, rear portion bend wheel 5 are made up of axle 15, wheel hub 16, sprocket wheel 17, bearing block 14, bearing block 14 is fixedly mounted on the cell body side plate, axle 15 is installed on the bearing block 14, sprocket wheel 17 is set on the axle 15, chain 10 is engaged on the sprocket wheel 17, and chain 10 drives sprocket wheel 17, wheel hub 16, axle 15 rollings.
As shown in Figure 3, sprocket wheel 17 is installed in wheel hub 16 grooves, and wheel hub 16 and sprocket wheel 17 are for dividing body structure, arranged crosswise.The sprocket wheel 17 of middle bend wheel 7, rear portion bend wheel 5 is installed in respectively in the wheel hub groove.
Bend wheel 7, rear portion bend wheel 5 replaced slide rail in the middle of the present invention utilized, become and slide to rolling, significantly reduced the mechanical wear of slide rail and chain, prevent that again spoil from snapping in, prolonged the service life of slide rail and chain, reduced the production cost of coal preparation plant, increased the reliability of equipment, and changed easily.
Above-described embodiment has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. shallow slot scraper plate heavy-media separator discharge refuse mechanism, comprise cell body, transmission mechanism, scraper plate, the front portion of described cell body is provided with the discharge refuse mouth, the bottom of cell body is provided with slide rail and glidepath, it is characterized in that, rear portion bend wheel and middle bend wheel are installed on the side plate of described cell body, described transmission mechanism is by driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is formed, driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is installed two auxiliary chain wheels respectively, chain is engaged on and forms two row on each sprocket wheel, article two, the horizontal segment of chain, the slope section embeds respectively between slide rail and the glidepath, and two row chains connect with scraper plate.
2. shallow slot scraper plate heavy-media separator discharge refuse according to claim 1 mechanism, it is characterized in that, bend wheel, rear portion bend wheel are made up of axle, wheel hub, sprocket wheel, bearing block respectively in the middle of described, and bearing block is separately fixed on the cell body side plate, and sprocket wheel, wheel hub, axle drive by chain and roll.
3. shallow slot scraper plate heavy-media separator discharge refuse according to claim 2 mechanism is characterized in that, described wheel hub and sprocket wheel are for dividing a body structure, arranged crosswise.
4. shallow slot scraper plate heavy-media separator discharge refuse according to claim 1 mechanism is characterized in that, described in the middle of the sprocket wheel of bend wheel, rear portion bend wheel be installed in respectively in the wheel hub groove.
5. shallow slot scraper plate heavy-media separator discharge refuse according to claim 1 mechanism is characterized in that, described in the middle of bend wheel, rear portion bend wheel sprocket wheel embed respectively in the slide rail, the slit is less than 10mm.
6. shallow slot scraper plate heavy-media separator discharge refuse according to claim 5 mechanism is characterized in that, the described contact-making surface of going up slide rail and middle bend wheel, rear portion bend wheel is arc.
7. shallow slot scraper plate heavy-media separator discharge refuse according to claim 1 mechanism is characterized in that described rear portion bend wheel and chain engagement place are placed with the abrasive rubber that prevents that lump coal and spoil from snapping in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102169861A CN103240172A (en) | 2013-06-04 | 2013-06-04 | Gangue discharge mechanism of shallow slot scraper heavy medium separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102169861A CN103240172A (en) | 2013-06-04 | 2013-06-04 | Gangue discharge mechanism of shallow slot scraper heavy medium separator |
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| CN103240172A true CN103240172A (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102169861A Pending CN103240172A (en) | 2013-06-04 | 2013-06-04 | Gangue discharge mechanism of shallow slot scraper heavy medium separator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599843A (en) * | 2013-11-22 | 2014-02-26 | 北京中煤煤炭洗选技术有限公司 | Dense media separator with shallow groove and slide rail for dense media separator |
| WO2020098697A1 (en) * | 2018-11-14 | 2020-05-22 | 王光领 | Gangue crushing device on gangue discharge system for air-dry sand coal preparation system |
| CN114768988A (en) * | 2021-04-23 | 2022-07-22 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal separator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323873Y (en) * | 1998-06-12 | 1999-06-16 | 煤炭科学研究总院唐山分院 | Three-product shallow slot scraper heavy medium classifier |
| CN201006476Y (en) * | 2007-01-08 | 2008-01-16 | 王迪业 | Heavy- medium shallow slot separator |
| CN102837933A (en) * | 2012-09-07 | 2012-12-26 | 西安船舶工程研究院有限公司 | Separator of heavy medium shallow slot |
| CN202909819U (en) * | 2012-11-15 | 2013-05-01 | 山东矿机集团股份有限公司 | Guide rail structure of dense medium shallow groove sorting machine |
| CN203264853U (en) * | 2013-06-04 | 2013-11-06 | 煤炭科学研究总院唐山研究院 | Waste rock discharging mechanism of shallow slot scraping plate dense medium separator |
-
2013
- 2013-06-04 CN CN2013102169861A patent/CN103240172A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323873Y (en) * | 1998-06-12 | 1999-06-16 | 煤炭科学研究总院唐山分院 | Three-product shallow slot scraper heavy medium classifier |
| CN201006476Y (en) * | 2007-01-08 | 2008-01-16 | 王迪业 | Heavy- medium shallow slot separator |
| CN102837933A (en) * | 2012-09-07 | 2012-12-26 | 西安船舶工程研究院有限公司 | Separator of heavy medium shallow slot |
| CN202909819U (en) * | 2012-11-15 | 2013-05-01 | 山东矿机集团股份有限公司 | Guide rail structure of dense medium shallow groove sorting machine |
| CN203264853U (en) * | 2013-06-04 | 2013-11-06 | 煤炭科学研究总院唐山研究院 | Waste rock discharging mechanism of shallow slot scraping plate dense medium separator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599843A (en) * | 2013-11-22 | 2014-02-26 | 北京中煤煤炭洗选技术有限公司 | Dense media separator with shallow groove and slide rail for dense media separator |
| WO2020098697A1 (en) * | 2018-11-14 | 2020-05-22 | 王光领 | Gangue crushing device on gangue discharge system for air-dry sand coal preparation system |
| CN114768988A (en) * | 2021-04-23 | 2022-07-22 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal separator |
| CN114768988B (en) * | 2021-04-23 | 2024-01-26 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal sorter |
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Application publication date: 20130814 |