CN201358811Y - Coal cutting machine middle groove - Google Patents
Coal cutting machine middle groove Download PDFInfo
- Publication number
- CN201358811Y CN201358811Y CNU2009200193827U CN200920019382U CN201358811Y CN 201358811 Y CN201358811 Y CN 201358811Y CN U2009200193827 U CNU2009200193827 U CN U2009200193827U CN 200920019382 U CN200920019382 U CN 200920019382U CN 201358811 Y CN201358811 Y CN 201358811Y
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- Prior art keywords
- wear
- plate
- steel
- intermediate channel
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- 239000003245 coal Substances 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 33
- 239000000956 alloy Substances 0.000 description 13
- 229910045601 alloy Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 229910000851 Alloy steel Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000005496 eutectics Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PPWPWBNSKBDSPK-UHFFFAOYSA-N [B].[C] Chemical compound [B].[C] PPWPWBNSKBDSPK-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- -1 rare earth compound Chemical class 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000411545 Punargentus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
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Abstract
The utility model relates to a coal cutting machine middle groove which comprises a middle plate and W steel components on two ends, wherein the middle plate is installed and fixed between upper grooves of the W steel components on two ends, both the middle plate and the W steel components on two ends comprise basic structure parts and abrasion resistant functional parts which are integrated through assembling, and the abrasion resistant functional parts are bimetal complex layered abrasion-proof steel plates. The coal cutting machine middle groove has reasonable conformation, simple manufacture, convenient maintenance and the effects of saving energy and materials, and apparently improves the service life. The surface of an abrasion-proof overlay welding layer is smooth and even, and has low friction coefficient, the energy consumption can be reduced by 10-20%, and the service life can be improved by 2-3 times.
Description
Technical field
The utility model relates to a kind of improvement of coal excavation apparatus, specifically a kind of coal-winning machine intermediate channel.It is with technique for overlaying the working surface of all taking up wears of coal-winning machine intermediate channel to be carried out wear-resistant built-up welding to strengthen, and makes it obtain the long-life.
Background technology
China is coal production big country, and coal-winning machine intermediate channel consumption is huge, and the W steel part at plate and two ends during the coal-winning machine intermediate channel mainly comprises, middle plate are fixed between the upper groove of W steel part at two ends.The manufacturing of domestic coal-winning machine intermediate channel is an event horizon with eighties of last century nineties, experiences two different stages substantially.Adopt early stage casting potassium steel (Mn13) to make the W steel part, plate in making of mild steel (Q235) or low-carbon low-alloy steel (16Mn); Later stage is along with the introduction and the absorption of a large amount of overseas equipments, people turn to medium carbon low alloy steel and make intermediate channel, wherein the W steel part adopts casting or Forging Technology, and middle plate is then selected the medium carbon low alloy steel plate product (as hadaox400 or HB400 etc.) after comprehensive heat treatment for use.
The coal-winning machine intermediate channel is installed or changed in the down-hole is extremely time-consuming, as a to require great effort thing, each intermediate channel of changing a coal mining facies palmaris, approximately 40 days consuming time, just mean the increase equipment effective operation time application life of improving intermediate channel, thereby for colliery increase output, increase economic efficiency and created condition.
Investigation shows that the replacing frequency of domestic large-scale colliery intermediate channel is 2-3 time/year at present, expends time in 80-120 days.Therefore, the raising intermediate channel is significant for improving the coal-winning machine operating rate application life.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of structure reasonable, makes simply, and easy to maintenance, energy-saving material-saving is effective, the coal-winning machine intermediate channel of long service life.
The technical scheme in the invention for solving the above technical problem is: a kind of coal-winning machine intermediate channel, the W steel part at plate and two ends during it includes, in plate be fixed between the upper groove of W steel part at two ends, it is characterized in that: the W steel part at middle plate and two ends is formed by foundation structure product and wear-resistant function product two parts, synthetic whole by assembling, wear-resistant function product is the multiple layer of a bimetallic wear-resisting steel plate.
The multiple layer of the utility model bimetallic wear-resisting steel plate is to be the wearable plate goods that matrix is made by overlaying method complex abrasion-proof layer with the mother metal.Mother metal is selected ordinary carbon steel, low-alloy steel or stainless steel for use, surface wear-resistant layer adopts overlaying method to make, it is the wear-resistant alloy material of a kind of iron-based, and the concrete composition content (weight %) of alloy is: C 0.8-5, Cr 9-30, Nb 0.3-9, V 0.1-2, Mo 0.3-5, B 0.2-5, Ni 0.5-6, rare earth compound 0.01-2, surplus are Fe.With Nb, V, Mo, Cr, B, rare earth etc. is main alloy element, is main hard hardening constituent with the carbon-boron compound of chromium.Its middle rare earth optional compound or alloy with cerium Ce, yttrium Y etc.The hypoeutectic of alloy system and eutectic composition section can be used for casting wear-resistant spare; Hypoeutectic, eutectic and hypereutectic composition section can be made surfacing welding, flux-cored wire, block resurfacing welding material or powder weld deposition material.The macrohardness height of this alloy, hard combines firmly with matrix, has very high wear-resistant grain polishing machine, impact wear resistance and Chinese People's Anti-Japanese Military and Political College's angle erosive wear performance.
The W steel part at plate and two ends is formed by foundation structure product and wear-resistant function product two parts in the utility model, and is synthetic whole by assembling, and wear-resistant function product is the multiple layer of a bimetallic wear-resisting steel plate.Against existing technologies, the utility model structure is rationally made simply, and easy to maintenance, energy-saving material-saving effect and application life significantly improve.The utility model wearable overlay surface smoothing, evenly, friction factor is low, the 10-20% that can cut down the consumption of energy improves life-span 2-3 doubly.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the wear-resistant function product of the utility model.
Plate in 1. among the figure, 11. wear-resistant function products, 12. foundation structure products, 2.W steel part, 21. wear-resistant function products, 22. foundation structure products.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of coal-winning machine intermediate channel of the utility model, the W steel part 2 at plate 1 and two ends during it includes, in plate 1 be fixed between the upper groove of W steel part 2 at two ends, welding forms the intermediate channel main body, is used to bear the external impacts transmitted from workpiece such as piston shoes and from the wearing and tearing of scraper plate and coal dust.Plate 1 is made up of foundation structure product 11 and wear-resistant function product 12 two parts in the utility model, the W steel part 2 at two ends also is made up of foundation structure product 21 and wear-resistant function product 22 two parts, synthetic whole by assembling, the utility model is resisted by the foundation structure product from the external force that workpiece such as piston shoes transmit, and is resisted by wear-resistant function product from the wearing and tearing of scraper plate and coal dust.
The foundation structure product 22 of the utility model W steel part 2 (material is a medium carbon low alloy steel) can be foundry goods or forging; Foundation structure product 12 (material the is 16Mn) rolled plate of middle plate 1, the foundation structure product 22 of W steel part forms the intermediate channel main bodys with 12 welding of the foundation structure product of middle plate.
The wear-resistant function product 21 of the wear-resistant function product 11 of plate 1 and W steel part 2 is wear-resistant backing members in the utility model, made by the multiple layer of a bimetallic wear-resisting steel plate respectively, and assembly welding forms whole wear-resistant function product together, as shown in Figure 2.
The utility model is wear-resistant, and the function product is the multiple layer of a bimetallic wear-resisting steel plate.The multiple layer of bimetallic wear-resisting steel plate made " metallic composite " with overlaying method.The multiple layer of bimetallic wear-resisting steel plate is to be the wearable plate goods that matrix is made by overlaying method complex abrasion-proof layer with the mother metal.Its mother metal can be selected ordinary carbon steel, low-alloy steel or stainless steel as required for use, under this service condition, mainly provides mechanical performance index such as intensity, toughness, resists external active force; Surface wear-resistant layer adopts overlaying method to make, and the abrasion resistance properties index mainly is provided, and two kinds of materials are born different task separately, the performance optimum performance.Owing to there is mother metal to resist external active force, the surface wear-resistant layer alloy can take into full account abrasion resistance, realizes hypereutectic tissue, utilizes the high microhardness of a precipitated phase to improve anti-wear performance.Surface wear-resistant layer is the wear-resistant alloy material of a kind of iron-based, and the concrete composition content (weight %) of alloy is: C 0.8-5, Cr 9-30, Nb 0.3-9, V 0.1-2, Mo 0.3-5, B 0.2-5, Ni 0.5-6, rare earth compound 0.01-2, surplus are Fe.With Nb, V, Mo, Cr, B, rare earth etc. is main alloy element, is main hard hardening constituent with the carbon-boron compound of chromium.Its middle rare earth optional compound or alloy with cerium Ce, yttrium Y etc.The hypoeutectic of alloy system and eutectic composition section can be used for casting wear-resistant spare; Hypoeutectic, eutectic and hypereutectic composition section can be made surfacing welding, flux-cored wire, block resurfacing welding material or powder weld deposition material.The macrohardness height of this alloy, hard combines firmly with matrix, has very high wear-resistant grain polishing machine, impact wear resistance and Chinese People's Anti-Japanese Military and Political College's angle erosive wear performance.The utility model adopts overlaying method finished surface wearing layer.
The utility model is assembled together intermediate channel foundation structure product and wear-resistant function product at last and makes intermediate channel.Being connected of foundation structure product and wear-resistant function product can be selected bolt, alignment pin type of attachment for use, also can adopt welding method to connect.
The prominent features that adopts the utility model to make intermediate channel is: (1) life-span height: the life-span can reach existing Commercially available intermediate channel is more than 3 times; (2) energy-conservation: as because the middle plate skin-friction coefficient of built-up welding is low, can to save Drag scraper plate power electricity consumption 10-20%; (3) the convenient reparation: during reparation, only change wear-resistant function product Get final product, save time, save trouble. If adopt bolt or alignment pin type of attachment, reparation can be in the down-hole gug not Finish; (4) material-saving: wear-resistant function product high life, the foundation structure product can repeatedly repeat to make With, the material-saving effect is remarkable.
Claims (3)
1. coal-winning machine intermediate channel, the W steel part at plate and two ends during it includes, in plate be fixed between the upper groove of W steel part at two ends, it is characterized in that: the W steel part at middle plate and two ends is formed by foundation structure product and wear-resistant function product two parts, synthetic whole by assembling, wear-resistant function product is the multiple layer of a bimetallic wear-resisting steel plate.
2. coal-winning machine intermediate channel according to claim 1 is characterized in that: the foundation structure product of W steel part and the welding of the foundation structure product of middle plate form the intermediate channel main body.
3. coal-winning machine intermediate channel according to claim 1 is characterized in that: the wear-resistant function product of middle plate and the wear-resistant function product of W steel part are made by the multiple layer of bimetallic wear-resisting steel plate respectively, and assembly welding forms whole wear-resistant function product together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200193827U CN201358811Y (en) | 2009-02-23 | 2009-02-23 | Coal cutting machine middle groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200193827U CN201358811Y (en) | 2009-02-23 | 2009-02-23 | Coal cutting machine middle groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201358811Y true CN201358811Y (en) | 2009-12-09 |
Family
ID=41424574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200193827U Expired - Fee Related CN201358811Y (en) | 2009-02-23 | 2009-02-23 | Coal cutting machine middle groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201358811Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493009B (en) * | 2009-02-23 | 2010-11-10 | 于风福 | Middle groove of coal cutter and method for manufacturing same |
| CN102410041A (en) * | 2011-09-28 | 2012-04-11 | 安徽省宿州市龙华机械制造有限公司 | Wear-resistant trough of scraper loader |
| CN103662636A (en) * | 2013-11-29 | 2014-03-26 | 西安重装蒲白煤矿机械有限公司 | Chute of self-lubricating wear-resistant light scraper conveyor and manufacturing method for chute |
| CN104627594A (en) * | 2013-11-06 | 2015-05-20 | 郑州煤机长壁机械有限公司 | Forge welding double-middle-plate structure chute |
-
2009
- 2009-02-23 CN CNU2009200193827U patent/CN201358811Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493009B (en) * | 2009-02-23 | 2010-11-10 | 于风福 | Middle groove of coal cutter and method for manufacturing same |
| CN102410041A (en) * | 2011-09-28 | 2012-04-11 | 安徽省宿州市龙华机械制造有限公司 | Wear-resistant trough of scraper loader |
| CN104627594A (en) * | 2013-11-06 | 2015-05-20 | 郑州煤机长壁机械有限公司 | Forge welding double-middle-plate structure chute |
| CN103662636A (en) * | 2013-11-29 | 2014-03-26 | 西安重装蒲白煤矿机械有限公司 | Chute of self-lubricating wear-resistant light scraper conveyor and manufacturing method for chute |
| CN103662636B (en) * | 2013-11-29 | 2016-01-20 | 西安重装蒲白煤矿机械有限公司 | A kind of light-duty scrapper conveyor chute of self-lubricating abrasion-resistant and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20130223 |