CN203264853U - Waste rock discharging mechanism of shallow slot scraping plate dense medium separator - Google Patents
Waste rock discharging mechanism of shallow slot scraping plate dense medium separator Download PDFInfo
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- CN203264853U CN203264853U CN 201320315518 CN201320315518U CN203264853U CN 203264853 U CN203264853 U CN 203264853U CN 201320315518 CN201320315518 CN 201320315518 CN 201320315518 U CN201320315518 U CN 201320315518U CN 203264853 U CN203264853 U CN 203264853U
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Abstract
The utility model discloses a waste rock discharging mechanism of a shallow slot scraping plate dense medium separator and belongs to the technical field of coal dressing. The waste rock discharging mechanism of the shallow slot scraping plate dense medium separator is mainly used for waste rock discharging and separation of lump coal. The waste rock discharging mechanism of the shallow slot scraping plate dense medium separator comprises a slot body, a transmission mechanism and a scraping plate, wherein a waste rock discharge outlet is formed in the front portion of the slot body, an upper sliding rail and a lower sliding rail are arranged on the bottom of the slot body, a rear bend wheel and a middle bend wheel are installed on a lateral plate of the slot body, the transmission mechanism is composed of a driving wheel, a riding wheel, a tensioning wheel, the rear bend wheel and the middle bend, the driving wheel, the riding wheel, the tensioning wheel, the rear bend wheel and the middle bend are respectively provided with two pairs of chain wheels, a chain is arranged on all the chains in a meshing mode and is divided into two rows of chain bodies, a horizontal section of the chain and a slope section of the chain are embedded between the upper sliding rail and the lower sliding rail, and the two rows of chain bodies are connected through the scraping plate. According to the waste rock discharging mechanism of the shallow slot scraping plate dense medium separator, the transmission mechanism drives all the transmission wheels to rotate and roll in sequence through the chain, and then separated waste rock is lifted to the waste rock discharge outlet from the bottom of the slot body through the scraping plate to be discharged. The waste rock discharging mechanism of the shallow slot scraping plate dense medium separator has the advantages of being capable of greatly reducing abrasion between the chain and the sliding rails, low in cost, simple in structure, reliable, and easy to replace.
Description
Technical field
The utility model relates to the separator discharge refuse mechanism that uses in a kind of coal preparation technology field, particularly designs a kind of sorting of lump coal and shallow-slot scraper heavy-media separator discharge refuse mechanism of discharge refuse of being mainly used in.
Background technology
The shallow-slot scraper heavy-media separator is widely used in coal preparation plant's industrial production, is the lump coal main equipment, is applicable to hm coal preparation plant to lump coal separation and discharge refuse, and its efficiency of separation is high, disposal ability is large, is one of effective screening installation of difficult separation coal; Increase along with coal production, the increase of thermal coal cleaning percent, shallow-slot scraper 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 traditional dense media lump coal separation equipment vertical wheel, 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 up and down slideway increasing, finally make spoil stick into slide rail and cause shutdown; Chain is affected 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 increased production cost, affected coal preparation plant and normally produce.
Summary of the invention
For addressing the above problem, the utility model 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 rotary rolling successively by chain, the spoil that obtains after sorting is risen to the discharge refuse mouth from cell body bottom by scraper plate discharges, become slide as rolling, operating cost is low, structural design is simple and reliable, be easy to change the shallow-slot scraper heavy-media separator discharge refuse mechanism of parts.
the technical scheme that its technical problem that solves the utility model adopts is: a kind of shallow-slot scraper 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 forms, driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is installed respectively two auxiliary chain wheels, chain is engaged on and forms two row on each sprocket wheel, the horizontal segment of chain, slope section embeds respectively between slide rail and glidepath, two row chains connect with scraper plate.
Further, described middle bend wheel, rear portion bend wheel are comprised 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 roll by chain-driving.
Further, described wheel hub and sprocket wheel are Split type structure, arranged crosswise.
Further, the sprocket wheel of described middle bend wheel, rear portion bend wheel is arranged on respectively in the wheel hub groove.
Further, described middle bend wheel, rear portion bend wheel sprocket wheel embed in upper slide rail, and the gap is less than 10mm.
Further, the contact-making surface of described upper 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 utility model replaces arc-shaped slide rail with rear portion bend wheel and middle bend wheel, sliding friction is become rolling friction, greatly reduce the mechanical wear of slide rail and chain, extended the service life of slide rail and chain, reduced the production cost of coal preparation plant, increased the reliability of equipment, and easily changed.
Description of drawings
Fig. 1 is the utility model discharge refuse mechanism structure schematic diagram
Fig. 2 is Fig. 1 A-A profile, is also the structural representation of the utility model (afterwards) bend wheel.
Fig. 3 is the installation diagram of the utility model (afterwards) bend wheel and sprocket wheel.
In figure, mark is as follows: driving mechanism 1, support roller 2, regulating wheel 3, abrasive rubber 4, rear portion bend wheel 5, cell body 6, middle bend wheel 7, upper 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
Below in conjunction with accompanying drawing, the utility model is further illustrated:
The present embodiment is a kind of shallow-slot scraper heavy-media separator discharge refuse mechanism, is comprised of driving mechanism 1, support roller 2, regulating wheel 3, abrasive rubber 4, rear portion bend wheel 5, cell body 6, middle bend wheel 7, upper slide rail 8, glidepath 9, chain 10, scraper plate 11, discharge refuse mouth 12, driving wheel 13, sprocket wheel 17 etc.
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 comprised 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, middle bend wheel 7 are separately installed with two pairs (two 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 glidepath 9, two row chain 10 use scraper plates 11 connect, and scraper plate 11 is articulated on two row chains 10.The sprocket wheel 17 of middle bend wheel 7, rear portion bend wheel 5 is embedded in slide rail 8, and the gap is less than 10mm.Upper 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 rotary rollings successively by chain 10, the spoil that obtains after 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 comprised 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 arranged on bearing block 14, sprocket wheel 17 is set on axle 15, chain 10 is engaged on sprocket wheel 17, and chain 10 band movable sprockets 17, wheel hub 16, axle 15 roll.
As shown in Figure 3, sprocket wheel 17 is arranged in wheel hub 16 grooves, and wheel hub 16 and sprocket wheel 17 are Split type structure, arranged crosswise.The sprocket wheel 17 of middle bend wheel 7, rear portion bend wheel 5 is arranged on respectively in the wheel hub groove.
The utility model replaces slide rail with middle bend wheel 7, rear portion bend wheel 5, become and slide as rolling, greatly reduced the mechanical wear of slide rail and chain, simultaneously prevent that again spoil from snapping in, extended the service life of slide rail and chain, reduced the production cost of coal preparation plant, increased the reliability of equipment, and easily changed.
Claims (7)
1. shallow-slot scraper 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 forms, driving wheel, support roller, regulating wheel, the rear portion bend wheel, middle bend wheel is installed respectively two auxiliary chain wheels, chain is engaged on and forms two row on each sprocket wheel, article two, the horizontal segment of chain, slope section embeds respectively between slide rail and glidepath, two row chains connect with scraper plate.
2. shallow-slot scraper heavy-media separator discharge refuse according to claim 1 mechanism, it is characterized in that, in the middle of described, bend wheel, rear portion bend wheel are comprised 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 roll by chain-driving.
3. shallow-slot scraper heavy-media separator discharge refuse according to claim 2 mechanism, is characterized in that, described wheel hub and sprocket wheel are Split type structure, arranged crosswise.
4. shallow-slot scraper 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 arranged on respectively in the wheel hub groove.
5. shallow-slot scraper 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 in upper slide rail, the gap is less than 10mm.
6. shallow-slot scraper heavy-media separator discharge refuse according to claim 5 mechanism, is characterized in that, the contact-making surface of described upper slide rail and middle bend wheel, rear portion bend wheel is arc.
7. shallow-slot scraper 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 |
|---|---|---|---|
| CN 201320315518 CN203264853U (en) | 2013-06-04 | 2013-06-04 | Waste rock discharging mechanism of shallow slot scraping plate dense medium separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320315518 CN203264853U (en) | 2013-06-04 | 2013-06-04 | Waste rock discharging mechanism of shallow slot scraping plate dense medium separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264853U true CN203264853U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320315518 Expired - Fee Related CN203264853U (en) | 2013-06-04 | 2013-06-04 | Waste rock discharging mechanism of shallow slot scraping plate dense medium separator |
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| Country | Link |
|---|---|
| CN (1) | CN203264853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240172A (en) * | 2013-06-04 | 2013-08-14 | 煤炭科学研究总院唐山研究院 | Gangue discharge mechanism of shallow slot scraper heavy medium separator |
| CN109499740A (en) * | 2018-12-24 | 2019-03-22 | 无锡市张泾压力容器制造有限公司 | Low abrasion lump ore gravity separation sorting machine |
-
2013
- 2013-06-04 CN CN 201320315518 patent/CN203264853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240172A (en) * | 2013-06-04 | 2013-08-14 | 煤炭科学研究总院唐山研究院 | Gangue discharge mechanism of shallow slot scraper heavy medium separator |
| CN109499740A (en) * | 2018-12-24 | 2019-03-22 | 无锡市张泾压力容器制造有限公司 | Low abrasion lump ore gravity separation sorting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20180604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |