CN102704978B - High fully mechanized filling, mining and screening hydraulic support - Google Patents

High fully mechanized filling, mining and screening hydraulic support Download PDF

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Publication number
CN102704978B
CN102704978B CN201210220495.XA CN201210220495A CN102704978B CN 102704978 B CN102704978 B CN 102704978B CN 201210220495 A CN201210220495 A CN 201210220495A CN 102704978 B CN102704978 B CN 102704978B
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China
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coal
top beam
back timber
discharge
screening
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CN102704978A (en
Inventor
马占国
张帆
龚鹏
赵国贞
马云靖
张秀全
黄志敏
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The invention discloses a high fully mechanized filling, mining and screening hydraulic support, which comprises a top beam, a front canopy arranged in front of the top beam, upright posts for supporting the top beam and a rear top beam arranged at the tail of the top beam, wherein a filling material conveyer is arranged below the rear top beam; the filling material conveyer is suspended below the rear top beam; a high pushing and pressing device is connected with the rear top beam; a low pushing and pressing device is arranged on a base below the rear top beam; a coal discharge hole is formed between the front beam and the rear top beam; a telescopic jack is connected with the coal discharge hole; a screening device is arranged at the coal discharge hole; the screening device is connected with the front beam and the rear top beam by wedge-shaped chutes; the screening device is provided with a telescopic lateral gangue discharge passage; a scraper conveyer is arranged below the screening device; and a scraper trough is fixed on the base. The hydraulic support can be used for supporting a fully mechanized working face, can realize underground coal discharge, coal dressing, gangue discharge and complete filling of a goaf, is simple in process, and is widely used.

Description

An a kind of high position is combined and is put filling mining screening hydraulic support
Technical field
The present invention relates to the comprehensive filling mining screening hydraulic support of putting of an a kind of high position, be particularly useful for mine comprehensive mechanization Sub-Level Caving filling coal mining work plane and carry out supporting simultaneously, mine, put the hydraulic support of coal, coal separation and filling.
Technical background
In the recovery process in colliery, be often faced with ground hillock and pile up the environment pollution bringing, ground coal preparation plant takies a large amount of land areas, and " three times " press the series of problems such as coal.Utilize downhole gangue filling displacement to mine and down-hole coal preparation technology, both can on the basis that guarantees above ground structure safety, realize the high-recovery exploitation of deepen coal resource, solve again because of spoil ground stacking and the caused a series of social concerns of ground coal preparation plant occupation of land.For solving this class problem, China has adopted the multiple technologies measure liberation " three times " such as traditional band exploitation, resettlement village, filling mining to press coal, improves coal mining rate.Combine in recent years and adopt filling technique development rapidly, comprehensive utilization of adopting filling hydraulic support has improved coal winning technology level greatly.But the land area that ground coal preparation plant takies is not resolved yet, realizing comprehensive mechanization Sub-Level Caving screening filling mining how simply, fast, is efficiently a great problem.Therefore, develop a kind of exploitation work plane can safeguard coal-face space safety, when can realize top coal caving again, the support of coal separation and goaf filling is one of key realizing this technology.
Summary of the invention
Technical problem: the object of the invention is to overcome the deficiency in prior art, provide a kind of simple in structure, easy to operate, screening, pack effectiveness is high, and the high position that Roof Control ability is strong is combined and put filling mining screening hydraulic support.
Technical scheme a: high position of the present invention is combined and put filling mining screening hydraulic support, comprise back timber, be located at the forestope of back timber front portion, the face guard being connected with forestope, supporting top beam has front column, middle standing pillar and quadric chain, top beam rear end is provided with the rear column of back timber in middle back timber and support, the below of middle back timber is provided with the Fill transportation machine that is hung with, on the base plate of middle back timber below, be fixed with otic placode, on otic placode, be hinged with pressing device, between described supporting top beam and middle back timber, be provided with and put device for coal, the both sides of putting device for coal are provided with the check apron being separately fixed on back timber and middle back timber, the rear portion of middle back timber is hinged with rear back timber, rear back timber is provided with hydraulic thrust pressure device, the described device for coal of putting comprises the coal discharge outlet being located between back timber and middle back timber, coal discharge outlet place be provided with by pushing oil cylinder, controlled put coal plate, the below of coal discharge outlet is provided with surge bunker, in surge bunker, be provided with buffer board, surge bunker below is provided with screening storehouse, and screening is provided with bastard coal bolter in storehouse, the bottom in screening storehouse is provided with coal outlet, the side in screening storehouse is provided with discharge refuse valve, and discharge refuse valve place is provided with telescopic discharge refuse passage, in discharge refuse passage, is provided with waste rock discharge device.
The hydraulic jack of controlling its folding is equipped with on described discharge refuse valve top; Described surge bunker and back timber, middle back timber junction are provided with wedge block; Described discharge refuse passage is telescopic discharge refuse passage.
Beneficial effect: of the present invention combine put filling coal mining hydraulic support not only can the normal working space of mining of maintenance work face, can also realize work plane the place ahead mines, when coal is put at rear portion, carry out coal separation and the complete filling to goaf, obturation is carried out to compacting simultaneously.Major advantage has:
1. due to back timber, screening plant, rear back timber and high-order pressing device structure, carrying roof pressure, controls the amount of crushing before filling.
2. under high-order coal discharge outlet, be provided with screening plant, control coal discharge outlet place plate and can realize high-order Sub-Level Caving, put coal and carry out coal separation simultaneously, spoil is discharged into goaf and carries out filling.
3. high-order pressing device end is provided with push plate, coordinates low level pressing device, realizes the sold stowing in He Fangmei space, coal mining space, goaf.
Accompanying drawing explanation
Fig. 1 is that structure master of the present invention looks schematic diagram.
In figure: 1-back timber; 2-check apron; 3-plate; 4-buffer board; 5-surge bunker; 6-coal discharge outlet; 7-wedge block; 8-filler conveyer; 9-middle back timber; 10-rear back timber; 11-upper pressing device; 12-shovel board; 13-forestope; 14-face guard; 15-coal-winning machine; 16-front scraper conveyor; 17-front column; 18-base plate; 19-quadric chain; 20-middle standing pillar; 21-rear portion drag conveyor; 22-rear column; 23-otic placode; 24-coal outlet; 25-screening storehouse; 26-bastard coal bolter; 27-hydraulic jack; 28-discharge refuse passage; 29-waste rock discharge device; 30-discharge refuse passage, 31-lower pressing device; 32-lower shovel board.
The specific embodiment:
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, of the present invention combine put filling coal mining hydraulic support and comprises back timber 1, be located at the forestope 13 of back timber 1 front portion, the face guard 14 being connected with forestope 13, supporting top beam 1 has front column 17, middle standing pillar 20 and quadric chain 19, front column 17 the place aheads are provided with coal-winning machine 15, coal-winning machine below is provided with front scraper conveyor 16, back timber 1 rear end is provided with the rear column 22 of back timber 9 in middle back timber 9 and support, the below of middle back timber 9 is provided with the Fill transportation machine 8 that is hung with, on the base plate 18 of middle back timber 9 belows, be fixed with otic placode 23, on otic placode 23, be hinged with lower pressing device 31, lower pressing device 31 consists of pushing oil cylinder and shovel board, the top of lower pressing device 31 is provided with shovel board 12, between described supporting top beam 1 and middle back timber 9, be provided with and put device for coal, the both sides of putting device for coal are provided with the check apron 2 being separately fixed on back timber 1 and middle back timber 9, the rear portion of middle back timber 9 is hinged with rear back timber 10, rear back timber 10 is provided with pressing device 11, upper pressing device 11 consists of pushing oil cylinder and shovel board, the top of upper pressing device 11 is provided with shovel board 12, the described device for coal of putting comprises the coal discharge outlet 6 being located between back timber 1 and middle back timber 9, coal discharge outlet 6 places be provided with by pushing oil cylinder, controlled put coal plate 3, the below of coal discharge outlet 6 is provided with surge bunker 5, surge bunker 5 is equipped with wedge block 7 with back timber 1, middle back timber 9 junctions, is beneficial to the stable of surge bunker 5.In surge bunker 5, be provided with buffer board 4, surge bunker 5 belows are provided with screening storehouse 25, screening is provided with bastard coal bolter 26 in storehouse 25, the bottom in screening storehouse 25 is provided with coal outlet 24, the bottom of coal outlet 24 is provided with rear portion drag conveyor 21, the side in screening storehouse 25 is provided with discharge refuse valve 28, and the hydraulic jack 27 of controlling its folding is equipped with on the top of discharge refuse valve 28; Discharge refuse valve 28 exits are provided with telescopic discharge refuse passage 30, the interior waste rock discharge device 29 of discharge refuse passage 30, and the thumb wheel that so that spoil discharges smoothly, described waste rock discharge device 29 comprises motor, be connected with motor output shaft forms.
While putting coal, will put device for coal and be arranged on coal-caving supporter, open the plate 3 at coal discharge outlet 6 places, can realize high-order Sub-Level Caving, put coal and screen simultaneously, the discharge refuse valve 28 of controlling in screening storehouse 25 carries out discharge refuse, and spoil is disposed to goaf by discharge refuse passage 30 and carries out filling.Push plate on upper and lower pressing device coordinates pushing spoil, realizes the sold stowing in He Fangmei space, coal mining space, goaf.

Claims (1)

1. a high position is combined and is put filling mining screening hydraulic support, comprise supporting top beam (1), be located at the anterior forestope (13) of supporting top beam (1), the face guard (14) being connected with forestope (13), supporting top beam (1) has front column (17), middle standing pillar (20) and quadric chain (19), supporting top beam (1) rear end is provided with the rear column (22) of back timber (9) in middle back timber (9) and support, the below of middle back timber (9) is hung with filler conveyer (8), on the base plate (18) of middle back timber (9) below, be fixed with otic placode (23), on otic placode (23), be hinged with pressing device (11), it is characterized in that: between described supporting top beam (1) and middle back timber (9), be provided with and put device for coal, the both sides of putting device for coal are provided with the check apron (2) being separately fixed on supporting top beam (1) and middle back timber (9), the rear portion of middle back timber (9) is hinged with rear back timber (10), rear back timber (10) is provided with hydraulic thrust pressure device (11), the described device for coal of putting comprises the coal discharge outlet (6) being located between supporting top beam (1) and middle back timber (9), coal discharge outlet (6) locate to be provided with by pushing oil cylinder, controlled put coal plate (3), the below of coal discharge outlet (6) is provided with surge bunker (5), in surge bunker (5), be provided with buffer board (4), surge bunker (5) below is provided with screening storehouse (25), in screening storehouse (25), be provided with bastard coal bolter (26), the bottom in screening storehouse (25) is provided with coal outlet (24), the side in screening storehouse (25) is provided with discharge refuse valve (28), discharge refuse valve (28) locates to be provided with discharge refuse passage (30), in discharge refuse passage (30), be provided with waste rock discharge device (29), so that spoil is discharged smoothly, described waste rock discharge device (29) comprises motor, the thumb wheel being connected with motor output shaft, while putting coal, to put device for coal is arranged on coal-caving supporter, open the plate (3) that coal discharge outlet (6) is located, can realize high-order Sub-Level Caving, put coal screens simultaneously, the discharge refuse valve (28) of controlling in screening storehouse (25) carries out discharge refuse, spoil is disposed to goaf by discharge refuse passage (30) and carries out filling.
2. a high position according to claim 1 is combined and is put filling mining screening hydraulic support, it is characterized in that: the hydraulic jack (27) of controlling its folding is equipped with on described discharge refuse valve (28) top.
3. a high position according to claim 1 is combined and is put filling mining screening hydraulic support, it is characterized in that: described surge bunker (5) is provided with wedge block (7) with supporting top beam (1), middle back timber (9) junction.
4. a high position according to claim 1 is combined and is put filling mining screening hydraulic support, it is characterized in that: described discharge refuse passage (30) is telescopic discharge refuse passage.
CN201210220495.XA 2012-06-29 2012-06-29 High fully mechanized filling, mining and screening hydraulic support Active CN102704978B (en)

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CN201210220495.XA CN102704978B (en) 2012-06-29 2012-06-29 High fully mechanized filling, mining and screening hydraulic support

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Application Number Priority Date Filing Date Title
CN201210220495.XA CN102704978B (en) 2012-06-29 2012-06-29 High fully mechanized filling, mining and screening hydraulic support

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CN102704978B true CN102704978B (en) 2014-12-10

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103291304A (en) * 2013-06-28 2013-09-11 中国矿业大学 Recovery method of super mining height top coal on fully mechanized coal mining face
CN109944624A (en) * 2019-05-05 2019-06-28 陕西蓝山重工科技有限公司 Coal mine solid waste fills hydraulic support
CN112127929B (en) * 2020-09-20 2022-05-13 内蒙古福城矿业有限公司 Device for recovering top coal in fully-mechanized caving mining of thick coal seam containing gangue in close-range goaf and implementation method thereof
CN114233359B (en) * 2022-01-24 2024-03-01 中煤能源研究院有限责任公司 Roof-caving type gangue filling hydraulic support and filling method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600116B1 (en) * 1986-06-13 1988-07-08 Charbonnages De France MECHANIZED SUPPORT STACK FOR PNEUMATICALLY FILLED SIZES
CN2203359Y (en) * 1994-09-13 1995-07-12 郑州煤矿机械厂 High-level caving coal hydraulic prop
CN1908375A (en) * 2005-08-05 2007-02-07 于海湧 Automatic controlled coal-putting comprehensive sampling hydraulic support
CN201902223U (en) * 2011-03-29 2011-07-20 高九华 Hydraulic swing link type top caving coal hydraulic support
CN202250136U (en) * 2011-10-13 2012-05-30 兖州煤业股份有限公司 Low-position top coal-caving hydraulic bracket

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600116B1 (en) * 1986-06-13 1988-07-08 Charbonnages De France MECHANIZED SUPPORT STACK FOR PNEUMATICALLY FILLED SIZES
CN2203359Y (en) * 1994-09-13 1995-07-12 郑州煤矿机械厂 High-level caving coal hydraulic prop
CN1908375A (en) * 2005-08-05 2007-02-07 于海湧 Automatic controlled coal-putting comprehensive sampling hydraulic support
CN201902223U (en) * 2011-03-29 2011-07-20 高九华 Hydraulic swing link type top caving coal hydraulic support
CN202250136U (en) * 2011-10-13 2012-05-30 兖州煤业股份有限公司 Low-position top coal-caving hydraulic bracket

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