CN102441460B - Underground coal-gangue crushing/separating machine - Google Patents
Underground coal-gangue crushing/separating machine Download PDFInfo
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- CN102441460B CN102441460B CN 201110437692 CN201110437692A CN102441460B CN 102441460 B CN102441460 B CN 102441460B CN 201110437692 CN201110437692 CN 201110437692 CN 201110437692 A CN201110437692 A CN 201110437692A CN 102441460 B CN102441460 B CN 102441460B
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- coil assembly
- multiple sets
- coal
- discaling roll
- support mandrel
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Abstract
The invention discloses an underground coal-gangue crushing/separating machine which comprises two transmission racks and two transmission devices, wherein the transmission devices are respectively connected with a supporting mandrel, the two ends of each supporting mandrel are fixed on a box body by a bearing pedestal, and each supporting mandrel is provided with multiple sets of serrated roll ring assemblies; each set of serrated roll ring assemblies comprises four hydraulic cylinders and a serrated roll ring, the four hydraulic cylinders are arranged in a cross form, the bottoms of the hydraulic cylinders are respectively hinged with the supporting mandrels, and piston rods are respectively hinged with the inner wall of the serrated roll ring; and the lower part of the box body is symmetrically provided with a lambdoidal elastic rod screen, the two sides of the lambdoidal elastic rod screen are respectively provided with a gangue discharge guide groove, and a coal discharge guide groove is arranged below the rear part of the box body. By using the machine disclosed by the invention, the requirements for crushing materials with different particle sizes can be satisfied, and the problem of complicated transmission caused by the moving of a central shaft when a general roll crushing mill carries out roll switching is avoided; meanwhile, massive gangues can be directly used for filling worked-out areas, thereby reducing the transportation expenses, saving occupied ground land, reducing the pollution to the environment, and reducing the underground and aboveground transportation amounts of gangues.
Description
Technical field
The present invention relates to a kind of underground coal-gangue crushing/separating machine, be particularly useful for the sorting of mine down-hole lump coal and spoil, also be applicable to the feed separation of two kinds of different breaking strengths.
Background technology
The coal that adopts at present mainly contains selection by winnowing, gamma ray sorting, rotates broken three kinds of weight selection with the method for separating that separates of gangue, wherein:
1) selection by winnowing gangue separator: utilize coal different with spoil density, separate by the buoyancy of wind and produce coal and spoil, be applicable to water resource poor area.Its investment is large, and floor space is large, and dust-reclamiing mill is larger, and treatment effect is undesirable, is not suitable for the down-hole and uses;
2) gamma ray gangue separator: adopt gamma rays identification coal and spoil, produce the different signals of telecommunication according to gamma ray coal is different with attenuation in spoil, by the FEEDBACK CONTROL executing agency of the signal of telecommunication, change the movement locus of spoil, thereby the experiment bastard coal separates.Its system complex, sorting capability is little, and the radiation hidden danger of radioactive source often contains water or coal slime in on-the-spot raw coal, and coal cinder spoil surface is covered by coal slime, causes the difficulty in identification;
3) rotation weight millerator: be provided with the arc elastic bar sieve that is comprised of many elastic rods at its underframe, sieve bend is not separately established power set, and the impulsive force by selecting broken coal afterwards and spoil is as the exciting force of sieve bend; Sieve bend top is provided with reaction type quartering hammer group and counterpunch board, and the quartering hammer that rotarily drives by power transmission shaft rotates and impacts material, makes material and counterpunch board bump against to realize the impact type fragmentation of material.The cardan-shaft suspension of quartering hammer is in the bearing block of housing, and this power transmission shaft is connected with the fire-proof motor that is located at the underframe other end with transmission by V; The sieve bend afterbody is provided with a rotary poking device, and the power transmission shaft of poking device (setting wheel) also is bearing in the bearing block of housing, is connected with the fire-proof motor that is located at the underframe other end with transmission by V.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point in prior art, provide a kind of simple in structure, volume is little, the underground coal-gangue crushing/separating machine of easy accessibility.
technical scheme: underground coal-gangue crushing/separating machine of the present invention, comprise symmetrically arranged two driving frames, be located at respectively two transmission devices on two driving frames, described two transmission devices are connected with two support mandrels through shaft coupling respectively, the two ends of two support mandrels are fixed on the casing that is positioned at two driving frame rear portions through bearing block, be equipped with multiple sets of teeth roller coil assembly on each support mandrel, every group of discaling roll coil assembly comprises four hydraulic cylinders and a discaling roll circle, four hydraulic cylinders are cross and arrange, the cylinder bottom of hydraulic cylinder is hinged on respectively on support mandrel, piston rod is hinged on respectively on the inwall of discaling roll circle, be located at one on support mandrel multiple sets of teeth roller coil assembly and the spacing distance between the multiple sets of teeth roller coil assembly on another support mandrel be a, the bottom of casing is arranged with the herringbone elastic bar screen, the both sides of herringbone elastic bar screen are respectively equipped with the left and right cash guide groove that goes out, and the lower rear of casing is provided with the guide groove that produces coal.
Described be located at one on support mandrel multiple sets of teeth roller coil assembly and the multiple sets of teeth roller coil assembly on another support mandrel between be 20～80mm apart from a; Be respectively equipped with the material collecting tank that is positioned at discaling roll circle below before and after described lower box on side plate; Multiple sets of teeth roller coil assembly on described each support mandrel is 3～8 groups, and in every group of discaling roll coil assembly, the width of discaling roll circle is 50 ~ 100mm.
Beneficial effect: the bastard coal underground separation is indispensable link in the coal production process, particularly emphasizes to carry out green environment production at present, realizes under the prerequisite of sustainable development, and it is particularly important that this production link seems.The present invention adopts multiple sets of teeth roller circle group pair roller, not only satisfies the requirement of broken different material granularity, and in the time of avoiding general double-roll crusher by roller again, central shaft moves and the problems such as transmission complexity brought.To directly carry out coal in the down-hole greater than the bulk bastard coal of a mm and not go out well with making the bulk spoil separating of gangue, can be directly used in the filling in goaf, not only reduce freight, save the ground land seizure, prevent surface subsidence, save the expenses such as environmental improvement, the pollution of minimizing to environment, and save under waste shaft, aboveground freight volume.Its equipment is simple, compact, size is little, modular structure, and easy accessibility, good separating effect has practicality widely.
Description of drawings
Fig. 1 is structural front view of the present invention;
Fig. 2 is structure top view of the present invention;
Fig. 3 is structural front view of the present invention;
Fig. 4 is structure top view of the present invention;
Fig. 5 is structure side view of the present invention.
In figure: the 1-driving frame, the 2-fire-proof motor, the 3-decelerator, 4-discaling roll circle, the 5-hydraulic cylinder, 6-herringbone elastic bar screen, a 7-left side goes out the cash guide groove, and the 8-right side goes out the cash guide groove, 9-support mandrel, 10, the 11-bearing block, 12-casing, the 13-guide groove that produces coal, 14-material collecting tank.
The specific embodiment
The invention will be further described below in conjunction with the embodiment in accompanying drawing:
Underground coal-gangue crushing/separating machine of the present invention mainly is made of transmission device, driving frame 1, support mandrel 9, multiple sets of teeth roller coil assembly, casing 12; Driving frame 1 is divided into two of left and right, is symmetricly set on the front portion of casing 12, is respectively equipped with a transmission device on the driving frame 1 of two of left and right; Transmission device comprises flame-proof electric motor 2, motor coupling, three grades of tapered cylindrical decelerators 3, input shaft coupling, wherein: flame-proof electric motor 2 is arranged on driving frame 1, flame-proof electric motor 2 by motor coupling with transmission of power to three grade tapered cylindrical decelerator 3, then by the input shaft coupling with transmission of power to support mandrel 9; Two transmission devices in left and right are connected with two support mandrels 9 through shaft coupling respectively, the two ends of two support mandrels 9 are fixed on through left and right bearing block 10,11 on the casing 12 that is positioned at two driving frame 1 rear portions, are connected with three grades of tapered cylindrical decelerators 3 that are located at driving frame 1 by the input shaft coupling; Three grades of tapered cylindrical decelerators 3 are connected with fire-proof motor 2 by motor coupling; Be equipped with multiple sets of teeth roller coil assembly on each support mandrel 9, multiple sets of teeth roller coil assembly on each support mandrel 9 is 3～8 groups, every group of discaling roll coil assembly comprises four hydraulic cylinders 5 and a discaling roll circle 4, the width of discaling roll circle 4 is 50 ~ 100mm, four hydraulic cylinders 5 are cross to be arranged, and the cylinder bottom of hydraulic cylinder 5 is hinged on respectively on support mandrel 9, piston rod is hinged on respectively on the inwall of discaling roll circle 4; Be located at one on support mandrel 9 multiple sets of teeth roller coil assembly and the spacing distance a between the multiple sets of teeth roller coil assembly on another support mandrel 9 be 20mm～80mm; The bottom of casing 12 is arranged with herringbone elastic bar screen 6, herringbone elastic bar screen 6 is positioned at the below of multiple sets of teeth roller coil assembly, herringbone elastic bar screen 6 is comprised of many elastic rods, separately do not establish power set, by select broken after the impulsive force of coal and spoil as the exciting force of herringbone elastic bar screen 6; The both sides of herringbone elastic bar screen 6 are respectively equipped with the left and right cash guide groove 7,8 that goes out, and the lower rear of casing 12 is provided with the guide groove 13 that produces coal that is positioned at herringbone elastic bar screen 6 belows, are respectively equipped with the material collecting tank 14 that is positioned at discaling roll circle 4 belows on side plates before and after casing 12 bottoms.
Operation principle and the course of work: fire-proof motor 2 drives respectively two support mandrels 9 in left and right by the power transmission of transmission device, and 3～8 groups of discaling roll coil assembly pair rollers are rotated, and realizes that the squash type of material is broken.Spacing distance a between the discaling roll coil assembly of left and right is 20mm～80mm, and is identical with this with the value of a hereinafter.During the coal cinder access arrangement, granularity falls on the herringbone elastic bar screen by the gap between pair roller less than the coal cinder of a mm; Granularity is passed through the pair roller attrition crushing greater than the coal cinder of a mm, makes its granularity less than a mm, then drops on the herringbone elastic bar screen.Slot size on the herringbone elastic bar screen is a
2mm
2, along with the vibration of herringbone elastic bar screen, coal cinder drops to the guide groove 13 that produces coal.During the spoil access arrangement, granularity falls on the herringbone elastic bar screen by the gap between pair roller less than the spoil of a mm, sneaks in coal; Granularity is greater than the spoil of a mm, because the compression strength of spoil can not be broken greater than coal cinder, the hydraulic cylinder overflow retraction of hydraulic pressure pair roller workspace strengthens the distance between two pair rollers, allow spoil leak down, the pressure due to hydraulic cylinder makes pair roller get back to former operating position afterwards.Spoil drops on the herringbone elastic bar screen, and spoil left and rightly goes out cash guide groove 7,8 along what the gradient of herringbone elastic bar screen slided to both sides.When the bastard coal mixed material enters seperator, granularity is directly leaked down less than the material of a mm, material greater than a mm is pushed by the hydraulic pressure roller, the pressure of hydraulic pressure roller can only broken coal and can not broken spoil, the hydraulic cylinder of crush zone retraction in the hydraulic pressure roller, the elongation of remaining fluid cylinder pressure also changes the support direction by articulated joint, the distance between two rollers is increased, thereby allow spoil leak down; After spoil leaked down, the origin-location was got back in the elongation of the hydraulic cylinder of crush zone, and the remaining fluid cylinder pressure shortens and gets back to former support direction by articulated joint; The whereabouts potential energy of the bastard coal that pushed provides screening required exciting force for the herringbone elastic bar screen, and because hardness of coal is little, the granularity I of hydraulic pressure roller after with the coal fragmentation sees through screen cloth, enters the guide groove 13 that produces coal; Spoil hardness is large, and the hydraulic pressure roller can not be broken with spoil, and the spoil that granularity is large is stayed on compass screen surface, and slides to out the cash guide groove along the gradient of compass screen surface, and the spoil that granularity is little sees through screen cloth and sneaks in coal, enters the guide groove 13 that produces coal.
Claims (1)
1. underground coal-gangue crushing/separating machine, comprise symmetrically arranged two driving frames (1), be located at respectively two transmission devices on two driving frames (1), it is characterized in that: described two transmission devices are connected with two support mandrels (9) through shaft coupling respectively, the two ends of two support mandrels (9) are fixed on the casing (12) that is positioned at two driving frames (1) rear portion through bearing block, be equipped with multiple sets of teeth roller coil assembly on each support mandrel (9), every group of discaling roll coil assembly comprises four hydraulic cylinders (5) and a discaling roll circle (4), four hydraulic cylinders (5) are cross and arrange, the cylinder bottom of hydraulic cylinder (5) is hinged on respectively on support mandrel (9), piston rod is hinged on respectively on the inwall of discaling roll circle (4), being located at multiple sets of teeth roller coil assembly on a support mandrel (9) and the spacing distance between the multiple sets of teeth roller coil assembly on another support mandrel (9) is a, and described being located between multiple sets of teeth roller coil assembly on a support mandrel (9) and the multiple sets of teeth roller coil assembly on another support mandrel (9) is 20～80mm apart from a, multiple sets of teeth roller coil assembly on described each support mandrel (9) is 3～8 groups, and in every group of discaling roll coil assembly, the width of discaling roll circle (4) is 50 ~ 100mm, the bottom of casing (12) is arranged with herringbone elastic bar screen (6), the both sides of herringbone elastic bar screen (6) are respectively equipped with the left and right cash guide groove (7,8) that goes out, the lower rear of casing (12) is provided with the guide groove that produces coal (13), is respectively equipped with the material collecting tank (14) that is positioned at discaling roll circle (4) below on the side plate of front and back, described casing (12) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110437692 CN102441460B (en) | 2011-12-23 | 2011-12-23 | Underground coal-gangue crushing/separating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110437692 CN102441460B (en) | 2011-12-23 | 2011-12-23 | Underground coal-gangue crushing/separating machine |
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| Publication Number | Publication Date |
|---|---|
| CN102441460A CN102441460A (en) | 2012-05-09 |
| CN102441460B true CN102441460B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110437692 Expired - Fee Related CN102441460B (en) | 2011-12-23 | 2011-12-23 | Underground coal-gangue crushing/separating machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567050B (en) * | 2013-06-16 | 2015-07-29 | 徐春云 | Underground hydraulic coal-gangue separation equipment |
| CN105396646A (en) * | 2015-11-13 | 2016-03-16 | 太仓澄天机械有限公司 | Coal briquette breaking mechanical device |
| CN105498894B (en) * | 2016-01-26 | 2018-06-26 | 张路征 | Air-cylinder type tooth plate breaks coal discharge refuse machine |
| CN114054146B (en) * | 2021-11-16 | 2022-11-15 | 安徽理工大学 | Adjust screening formula gangue separator in pit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4797290B2 (en) * | 2001-07-12 | 2011-10-19 | 株式会社サタケ | Crushing roll equipment |
| CN201346475Y (en) * | 2008-12-12 | 2009-11-18 | 上海建设路桥机械设备有限公司 | Wheel tooth type breaker |
| CN201371065Y (en) * | 2009-02-17 | 2009-12-30 | 辽宁工矿集团有限公司 | Crusher with double gear rollers |
| CN202007057U (en) * | 2010-01-07 | 2011-10-12 | 中材科技股份有限公司 | Synchronous transmission and tension device capable of adjusting distance between two drums |
| CN201760310U (en) * | 2010-08-25 | 2011-03-16 | 中国矿业大学 | Down-hole breaking and sieving coal gangue separator |
| CN202410734U (en) * | 2011-12-23 | 2012-09-05 | 中国矿业大学 | Downhole coal gangue millerator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZHONGJI MINE EQUIPMENT CO., LTD. Effective date: 20131009 |
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| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jianping Inventor after: Cai Weimin Inventor after: Du Changlong Inventor after: Yang Daolong Inventor after: Zheng Kehong Inventor after: Wang Yanxiang Inventor after: Guo Huizhen Inventor after: Cui Yuming Inventor after: Mu Zhaojun Inventor after: Li Lie Inventor before: Li Jianping Inventor before: Du Changlong Inventor before: Yang Daolong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI JIANPING DU CHANGLONG YANG DAOLONG TO: LI JIANPING DU CHANGLONG YANG DAOLONG ZHENG KEHONG WANG YANXIANG GUO HUIZHEN CUI YUMING MU ZHAOJUN LI LIE CAI WEIMIN |
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| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20131009 Address after: 221116 Department of science and technology, China University of Mining and Technology, Xuzhou University Road, No. 1, Jiangsu Applicant after: China University of Mining & Technology Applicant after: Jiangsu Zhongji Mine Equipment Co., Ltd. Address before: 221116 Department of science and technology, China University of Mining and Technology, Xuzhou University Road, No. 1, Jiangsu Applicant before: China University of Mining & Technology |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20131223 |