CN104941717A - Big-lump-coal crushing device for medium-thickness-coal-seam face and crushing process - Google Patents

Big-lump-coal crushing device for medium-thickness-coal-seam face and crushing process Download PDF

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Publication number
CN104941717A
CN104941717A CN201510304591.6A CN201510304591A CN104941717A CN 104941717 A CN104941717 A CN 104941717A CN 201510304591 A CN201510304591 A CN 201510304591A CN 104941717 A CN104941717 A CN 104941717A
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China
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oil cylinder
coal
crushing
coarse coal
hydraulic
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CN201510304591.6A
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CN104941717B (en
Inventor
张建军
毕伟
王宁
高雷
邵彩虹
张得宁
孙鹭
胡南
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China Coal Zhangjiakou Coal Mining Machinery Co Ltd
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China Coal Zhangjiakou Coal Mining Machinery Co Ltd
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Abstract

The invention relates to the mining and conveying field of a fully-mechanized coal mining face of an underground coal mine, in particular to a big-lump-coal crushing device for a medium-thickness-coal-seam face and a crushing process, and solves the problem that the unloading point of a face conveyor and the entry point of a reversed loader are blocked by big lump coal. The big-lump-coal crushing device comprises a fixed base, a revolving seat, a revolving shaft, a rocker arm, a vertical swinging oil cylinder, a pressing block, a crushing fixing frame, a hydraulic hammer attitude control oil cylinder, a small connecting rod, a crushing rotating frame, a fully-hydraulic crushing hammer, a horizontal swinging oil cylinder and a scraper bucket, wherein the fully-hydraulic crushing hammer can be adjusted in the horizontal direction, the vertical direction, the fore-and-after direction, the crushing angle and the like, and the scraper bucket can be flexibly mounted and dismounted according to requirements of the face. The crushing process adopts the optimal crushing angle to respectively crush still big lump coal and moving big lump coal, and has a relatively high crushing efficiency. The big-lump-coal crushing device is compact in structure and simple to operate, can reduce the labor intensity of workers, and effectively meets the quick-mining and quick-pushing objective demand of the fully-mechanized coal mining face of a coal mine.

Description

Medium-thickness seam working face coarse coal breaker and crushing process
Technical field:
The present invention relates to the exploitation of underground coal mine fully-mechanized mining working transportation art, specifically a kind of medium-thickness seam working face coarse coal breaker.
Background technology:
At medium-thickness seam exploitation working face, the increase of pressing along with mining height and ore deposit, wall caving coarse coal comes off frequently, and even coarse coal comes off with being linked to be sheet.Coarse coal falls into the normal transport that conveyer chute not only affects coal stream; and when arriving conveyer head place; be difficult to unload at conveyer unloading point; even if be unloaded on elevating conveyor; also be difficult to enter in the box conveying cell body at elevating conveyor entrance place; easily cause the sector region Severe blockage of working face and crossheading infall, even by forced-stopping machine.At present, fully-mechanized mining working process coarse coal by hand breaking coarse coal, is shut down the continuous exploitation not only affecting working face frequently, and is added the labour intensity of workman after shutting down mainly through conveying equipment; Especially under stopped status; transport is in halted state; if meet wall caving coal to be caving in a large number; be easy to cause conveyer chute be crushed to death and cannot restart; virtually add the workload that working face manually breaks coal and clear coal, have a strong impact on the production efficiency of working face, further increase potential safety hazard; be unfavorable for that colliery realizes safety, exploits high-yield and high-efficiency, solving coarse coal Crushing Problem is fully-mechanized mining working a great problem urgently to be resolved hurrily.
Summary of the invention:
The first object of the present invention is to provide a kind of medium-thickness seam working face coarse coal breaker, solves the problem of working face conveyor unloading point and the blocking of elevating conveyor entrance coarse coal.
The second object of the present invention is to provide a kind of coarse coal crushing process, adopts the coarse coal breaker realized described in the first order, and this crushing process is reasonable, and efficiency is high, meets the requirement of the broken coarse coal of working face.
The technical solution used in the present invention is: medium-thickness seam working face coarse coal breaker, comprise firm banking 2, revolving bed 3, gyroaxis 4, Rocker arm 5, vertical oscillation oil cylinder 6, briquetting 7, broken fixed mount 8, hydraulic hammer gesture stability oil cylinder 9, small rod 10, broken rotating turret 11, all-hydraulic quartering hammer 12, horizontal hunting oil cylinder 13, slusher 14, firm banking 2 is fixed on working face conveying equipment 1, revolving bed 3 is arranged on firm banking 2 by gyroaxis 4, revolving bed 3 is hinged with Rocker arm 5 rear portion, broken fixed mount 8 is welded on Rocker arm 5 front end, broken fixed mount 8, hydraulic hammer gesture stability oil cylinder 9, small rod 10, broken rotating turret 11 forms quadric chain, all-hydraulic quartering hammer 12 and slusher 14 are fixed on broken rotating turret 11.
Further, the gripper shoe 21 on firm banking 2 is fixed by bearing pin and working face conveying equipment 1, leaves cable space B between firm banking 2 and working face conveying equipment 1.
Further, broken fixed mount 8, hydraulic hammer gesture stability oil cylinder 9, broken rotating turret 11 are hinged with small rod 10 respectively.
Further, the groove E conformed to all-hydraulic quartering hammer 12 profile is had in the middle of slusher 14.
Further, one end and the horizontal hunting oil cylinder 13 of revolving bed 3 are hinged, and the other end is snap-fit in the arc track groove C of briquetting 7, horizontal hunting oil cylinder 13 other end and firm banking 2 hinged.
Further, the two ends of vertical oscillation oil cylinder 6 are hinged on Rocker arm 5 and revolving bed 3 respectively.
Further, Rocker arm 5 comprises built-in beam 51, one-level extensible canopy 53, secondary extensible canopy 52, rocker telescopic oil cylinder 54, ladder pin 55, and the two ends of rocker telescopic oil cylinder 54 are hinged on built-in beam 51 and one-level extensible canopy 53 respectively.
Further, ladder pin 55 is bolted on one-level extensible canopy 53, and snaps fitted on the limit journey slide slot D of secondary extensible canopy 52.
Adopt a coarse coal crushing process for medium-thickness seam working face coarse coal breaker as above, it is characterized in that, crushing process comprises:
When a, broken static coarse coal T, horizontal hunting oil cylinder 13, vertical oscillation oil cylinder 6, rocker telescopic oil cylinder 54, hydraulic hammer gesture stability oil cylinder 9 work, adjust all-hydraulic quartering hammer 12 to contact with coarse coal T, and all-hydraulic quartering hammer 12 is 90 ° with the angle α of coarse coal T break-up point section X, all-hydraulic quartering hammer 12 working reduction coarse coal T;
During coarse coal T in b, crushing motion, horizontal hunting oil cylinder 13, vertical oscillation oil cylinder 6, rocker telescopic oil cylinder 54, hydraulic hammer gesture stability oil cylinder 9 work, adjust all-hydraulic quartering hammer 12 according to coal Flow Velocity and become 75 ° ~ 87 ° against coal flow path direction Q with coarse coal T break-up point section X angle α, all-hydraulic quartering hammer 12 working reduction coarse coal T.
The medium-thickness seam working face coarse coal breaker that the present invention relates to is applicable to the medium-thickness seam working face that coarse coal is frequently caving, have that mounting means is simple, installation site advantage flexibly, side-discharging headstock can be arranged on, end unloads on headstock, the box cell body in elevating conveyor entrance, follow conveying equipment one piece propelling, do not need independent moving device.
Substantive distinguishing features and the marked improvement of this device are also, be designed to multifreedom motion structure, with working face emulsion for power source, Driven by Hydraulic Cylinder, the horizontally rotating of equipment, vertical lift, elastic and broken pose adjustment various motion can be realized, the coal cinder of broken regional more neatly, working range covers the region that whole working face intersects with crossheading; Adopt the broken attitude of quadric chain adjustment hydraulic breaking hammer, compact, simple, reliable frame for movement can meet the requirement to the broken attitude big swing angle of hydraulic breaking hammer, simultaneously when equipment is in off working state, it is following that hydraulic breaking hammer can be retracted back to extensible canopy, saved the space resources that working face is limited; Adopt different broken angles can the coarse coal of broken working face efficiently.
Due to this device multiple degrees of freedom, big swing angle, omnibearing work characteristics, not only can the coarse coal at crusher head place, the rib that may can also cause because equipment jumps working face is adopted not saturating situation and is carried out auxiliary expansion side and cleaning Triangle Coal, load onto slusher the coalrake outside conveying equipment to be installed on transporting chute and transport simultaneously, solve the problem of artificial clear coal.
This apparatus structure is compact, simple to operate, integrate broken, clear coal function, contribute to high-productivity faces to realize mining continuously, reduce labour intensity and the unsafe factor of hand breaking coarse coal, efficiently solve the problem of working face conveyor unloading point and the blocking of elevating conveyor entrance coarse coal; Simultaneously can be integrated with the hydraulic control of working face electricity, coordinate video monitoring system, realize Remote, effectively meet the demand that coal mine fully-mechanized mining working is adopted soon soon pushed away.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 broken rotating turret has been installed the structural representation of slusher;
Fig. 4 is the top view of slusher;
Fig. 5 is the structural representation of rocking arm;
Fig. 6 is the M-M sectional view of Fig. 5;
Fig. 7 is the fluid power system schematic diagram of this device;
Fig. 8 is the broken static coarse coal schematic diagram of this device;
Fig. 9 is the coarse coal schematic diagram of this device crushing motion.
In figure: 1, working face conveying equipment; 2, firm banking, 3, revolving bed, 4, gyroaxis, 5, rocking arm, 6, vertical oscillation oil cylinder, 7, briquetting, 8, broken fixed mount, 9, hydraulic hammer gesture stability oil cylinder; 10, small rod, 11, broken rotating turret, 12, all-hydraulic quartering hammer, 13, horizontal hunting oil cylinder, 14, slusher, 21, gripper shoe, 51, built-in beam, 52, secondary extensible canopy, 53, one-level extensible canopy, 54, rocker telescopic oil cylinder, 55, ladder pin, B, cross cable space, C, rail groove, D, limit journey slide slot, E, groove, Q, coal flow path direction, T, coarse coal, X, quartering hammer and coarse coal contact point section.
Detailed description of the invention:
The specific embodiment of the present invention detailed description is carried out below in conjunction with accompanying drawing:
As shown in Figures 1 to 4, medium-thickness seam working face coarse coal breaker, comprise firm banking 2, revolving bed 3, gyroaxis 4, Rocker arm 5, vertical oscillation oil cylinder 6, briquetting 7, broken fixed mount 8, hydraulic hammer gesture stability oil cylinder 9, small rod 10, broken rotating turret 11, all-hydraulic quartering hammer 12, horizontal hunting oil cylinder 13, slusher 14, gripper shoe 21 on firm banking 2 is fixed by bearing pin and working face conveying equipment 1, and left cable space B, facilitate the layout of the cables such as head place fluid pressure line, cable, control line, revolving bed 3 is fixed on firm banking 2 by gyroaxis 4, one end and the horizontal hunting oil cylinder 13 of revolving bed 3 are hinged, the other end is snap-fit in the arc track groove C of briquetting 7, horizontal hunting oil cylinder 13 other end and firm banking 2 hinged, revolving bed 3 is hinged with Rocker arm 5 rear portion, the two ends of vertical oscillation oil cylinder 6 are hinged on Rocker arm 5 and revolving bed 3 respectively, broken fixed mount 8 is welded on Rocker arm 5 front end, broken fixed mount 8, hydraulic hammer gesture stability oil cylinder 9, broken rotating turret 11 is all hinged with small rod 10, form quadric chain, realize the adjustment of the broken attitude of all-hydraulic quartering hammer, all-hydraulic quartering hammer 12 and slusher 14 are fixed on broken rotating turret 11, the groove E conformed to all-hydraulic quartering hammer 12 profile is had in the middle of slusher 14, slusher 14 is the auxiliary equipment of this device, is contained on broken rotating turret is installed on transporting chute by the coalrake outside conveying equipment when working face needs.
As shown in Figure 5, Figure 6; Rocker arm 5 comprises built-in beam 51, secondary extensible canopy 52, one-level extensible canopy 53, rocker telescopic oil cylinder 54, ladder pin 55; two ends of rocker telescopic oil cylinder 54 are hinged on built-in beam 51 and one-level extensible canopy 53 respectively; one end of ladder pin 55 is fixed on one-level extensible canopy 53; other end snaps fitted on the limit journey slide slot D of secondary extensible canopy 52; one-level extensible canopy 53 drives secondary extensible canopy 52 stretch out and regain by ladder pin 55, makes Rocker arm 5 have larger stroke.
Fig. 7 is fluid power system schematic diagram, high pressure liquid by pipeline and various valve level of control oscillating oil cylinder 13, vertical oscillation oil cylinder 6, hydraulic hammer gesture stability oil cylinder 9, rocker telescopic oil cylinder 54 action, the multifreedom motion of implement device.
Fig. 8, Fig. 9 be the broken coarse coal schematic diagram of different broken angle for this device adopts; when the coarse coal T on conveying equipment 1 needs to shut down fragmentation; or when the coarse coal T outside conveying equipment 1 needs broken; horizontal hunting oil cylinder 13, vertical oscillation oil cylinder 6, rocker telescopic oil cylinder 54 work; adjust all-hydraulic quartering hammer 12 to contact with coarse coal T; and all-hydraulic quartering hammer 12 is 90 ° with the angle α of coarse coal T break-up point section X, all-hydraulic quartering hammer 12 working reduction coarse coal T.
When conveying equipment 1 operates, coarse coal is stuck in conveyer unloading point and moves along with scraper plate does waveform, or when the conveyer chute of coarse coal outside broken region moves, horizontal hunting oil cylinder 13, vertical oscillation oil cylinder 6, rocker telescopic oil cylinder 54, hydraulic hammer gesture stability oil cylinder 9 works, adjust all-hydraulic quartering hammer 12 and become 75 ° ~ 87 ° against coal flow path direction Q with coarse coal T break-up point section X angle α, start all-hydraulic quartering hammer 12, after coarse coal enters broken region, adjust all-hydraulic quartering hammer 12 to contact with coarse coal T and can carry out fragmentation and work, equipment operator can according to the preferred all-hydraulic quartering hammer 12 of coal Flow Velocity and coarse coal T break-up point section X angle α.
Method of operating of the present invention is: when coarse coal appears in working face head a certain region, horizontal hunting oil cylinder 13, vertical oscillation oil cylinder 6, rocker telescopic oil cylinder 54 action realizes all-hydraulic quartering hammer 12 horizontal level, height and position, the adjustment of front and back position, can accurately navigate to coarse coal place, quadric chain action is driven by hydraulic hammer gesture stability oil cylinder 9, realize the broken pose adjustment of all-hydraulic quartering hammer 12, all-hydraulic quartering hammer 12 is made to be preferred angle with the angle α of coarse coal T break-up point section X, all-hydraulic quartering hammer 12 works and gets final product broken coarse coal, when broken coarse coal be splashed to the outer and coal-winning machine of conveying equipment adopt the coal got off could not install to transporting chute needs cleaning time, slusher 14 can be contained on broken rotating turret 11, driving Rocker arm 5 and broken rotating turret 11 action, can transport needing the coalrake of cleaning to install on conveying equipment.
Schematic but not pro forma restriction by preferred embodiment to the detailed description that technical solution of the present invention is carried out above.Those skilled in the art is on the basis of reading description of the present invention, technical scheme described in embodiment can be modified, or equivalent replacement is carried out to wherein portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.

Claims (9)

1. medium-thickness seam working face coarse coal breaker, is characterized in that, comprises firm banking (2), revolving bed (3), gyroaxis (4), rocking arm (5), vertical oscillation oil cylinder (6), briquetting (7), broken fixed mount (8), hydraulic hammer gesture stability oil cylinder (9), small rod (10), broken rotating turret (11), all-hydraulic quartering hammer (12), horizontal hunting oil cylinder (13), slusher (14), firm banking (2) is fixed on working face conveying equipment (1), revolving bed (3) is arranged on firm banking (2) by gyroaxis (4), revolving bed (3) is hinged with rocking arm (5) rear portion, broken fixed mount (8) is welded on rocking arm (5) front end, broken fixed mount (8), hydraulic hammer gesture stability oil cylinder (9), small rod (10), broken rotating turret (11) forms quadric chain, and all-hydraulic quartering hammer (12) and slusher (14) are fixed on broken rotating turret (11).
2. medium-thickness seam working face coarse coal breaker according to claim 1, it is characterized in that, gripper shoe (21) on firm banking (2) is fixed by bearing pin and working face conveying equipment (1), leaves cable space B between firm banking (2) and working face conveying equipment (1).
3. medium-thickness seam working face coarse coal breaker according to claim 1, it is characterized in that, broken fixed mount (8), hydraulic hammer gesture stability oil cylinder (9), broken rotating turret (11) are hinged with small rod (10) respectively.
4. medium-thickness seam working face coarse coal breaker according to claim 1, is characterized in that, has the groove E conformed to all-hydraulic quartering hammer (12) profile in the middle of slusher (14).
5. medium-thickness seam working face coarse coal breaker according to claim 1, it is characterized in that, one end and the horizontal hunting oil cylinder (13) of revolving bed (3) are hinged, the other end is snap-fit in the arc track groove C of briquetting (7), horizontal hunting oil cylinder (13) other end and firm banking (2) hinged.
6. medium-thickness seam working face coarse coal breaker according to claim 1, is characterized in that, the two ends of vertical oscillation oil cylinder (6) are hinged on rocking arm (5) and revolving bed (3) respectively.
7. medium-thickness seam working face coarse coal breaker according to claim 6, it is characterized in that; rocking arm (5) comprises built-in beam (51), one-level extensible canopy (53), secondary extensible canopy (52), rocker telescopic oil cylinder (54), ladder pin (55), the two ends of rocker telescopic oil cylinder (54) are hinged on built-in beam (51) and one-level extensible canopy (53) respectively.
8. medium-thickness seam working face coarse coal breaker according to claim 7, it is characterized in that, ladder pin (55) is bolted on one-level extensible canopy (53), and snaps fitted on the limit journey slide slot D of secondary extensible canopy (52).
9. use the coarse coal crushing process according to the medium-thickness seam working face coarse coal breaker in claim 1 ~ 8 described in any one claim, it is characterized in that, crushing process comprises:
When a, broken static coarse coal T, horizontal hunting oil cylinder (13), vertical oscillation oil cylinder (6), rocker telescopic oil cylinder (54), hydraulic hammer gesture stability oil cylinder (9) work, adjust all-hydraulic quartering hammer (12) to contact with coarse coal T, and all-hydraulic quartering hammer (12) is 90 ° with the angle α of coarse coal T break-up point section X, all-hydraulic quartering hammer (12) working reduction coarse coal T;
During coarse coal T in b, crushing motion, horizontal hunting oil cylinder (13), vertical oscillation oil cylinder (6), rocker telescopic oil cylinder (54), hydraulic hammer gesture stability oil cylinder (9) work, adjust all-hydraulic quartering hammer (12) according to coal Flow Velocity and become 75 ° ~ 87 ° against coal flow path direction Q with coarse coal T break-up point section X angle α, all-hydraulic quartering hammer (12) working reduction coarse coal T.
CN201510304591.6A 2015-06-03 2015-06-03 Medium-thickness seam working face coarse coal breaker and crushing process Active CN104941717B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269029A (en) * 2016-10-15 2017-01-04 荆门派大星物联网信息服务有限公司 A kind of clean coal technology moulded coal processes efficient bruisher
CN107387077A (en) * 2017-08-31 2017-11-24 中国矿业大学 A kind of compound broken loading device in high working face coal winning machine termination and method of work
CN108499653A (en) * 2017-05-22 2018-09-07 太仓市伦凯自动化设备有限公司 A kind of coal crusher device

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CN202078919U (en) * 2011-05-05 2011-12-21 焦作煤业(集团)新乡能源有限公司 Lump coal crushing device for fully mechanized coal mining face
CN203002449U (en) * 2012-11-29 2013-06-19 安徽惊天液压智控股份有限公司 Fixed type hydraulic crushing machine with retractable arm
CN204799319U (en) * 2015-06-03 2015-11-25 中煤张家口煤矿机械有限责任公司 Medium -thickness seam working face large coal breaker

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JP2002001159A (en) * 2000-06-16 2002-01-08 Hitachi Constr Mach Co Ltd Hydraulic drive assembly for self-propelled recycled article producing machine
CN102179270A (en) * 2011-03-17 2011-09-14 兖州煤业股份有限公司 Cantilever type crushing machine
CN202078919U (en) * 2011-05-05 2011-12-21 焦作煤业(集团)新乡能源有限公司 Lump coal crushing device for fully mechanized coal mining face
CN203002449U (en) * 2012-11-29 2013-06-19 安徽惊天液压智控股份有限公司 Fixed type hydraulic crushing machine with retractable arm
CN204799319U (en) * 2015-06-03 2015-11-25 中煤张家口煤矿机械有限责任公司 Medium -thickness seam working face large coal breaker

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269029A (en) * 2016-10-15 2017-01-04 荆门派大星物联网信息服务有限公司 A kind of clean coal technology moulded coal processes efficient bruisher
CN106269029B (en) * 2016-10-15 2018-07-17 山东东山新驿煤矿有限公司 A kind of clean coal technology efficient bruisher of moulded coal processing
CN108499653A (en) * 2017-05-22 2018-09-07 太仓市伦凯自动化设备有限公司 A kind of coal crusher device
CN107387077A (en) * 2017-08-31 2017-11-24 中国矿业大学 A kind of compound broken loading device in high working face coal winning machine termination and method of work
CN107387077B (en) * 2017-08-31 2019-05-21 中国矿业大学 A kind of compound broken loading device in high working face coal winning machine end and working method

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