CN103161486A - Waste rock blocking device and method for steep coal face - Google Patents
Waste rock blocking device and method for steep coal face Download PDFInfo
- Publication number
- CN103161486A CN103161486A CN2013100703252A CN201310070325A CN103161486A CN 103161486 A CN103161486 A CN 103161486A CN 2013100703252 A CN2013100703252 A CN 2013100703252A CN 201310070325 A CN201310070325 A CN 201310070325A CN 103161486 A CN103161486 A CN 103161486A
- Authority
- CN
- China
- Prior art keywords
- waste rock
- protective screening
- hydraulic support
- rock board
- gear cash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010878 waste rock Substances 0.000 title claims abstract description 73
- 230000000903 blocking effect Effects 0.000 title claims abstract description 37
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 54
- 238000012216 screening Methods 0.000 claims description 51
- 238000007598 dipping method Methods 0.000 claims description 36
- 230000001012 protector Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A waste rock blocking device and a method for a steep coal face comprise a waste rock blocking protective device hinged on a front canopy of a hydraulic support of the steep coal face and a sidewalk telescopic waste rock blocking plate arranged on a supporting beam of the hydraulic support of the steep coal face, wherein a gate type waste rock blocking plate is arranged on a base of the hydraulic support of the steep coal face on the inner side of the sidewalk telescopic waste rock blocking plate; the method that the rigid gangue blocking protective net and the flexible gangue blocking protective net are alternately installed on the front canopy of the hydraulic support, the telescopic sidewalk gangue blocking plate is installed on the support beam of the hydraulic support and the door type gangue blocking plate is installed on the support base is combined is utilized, so that the functions of preventing gangue above a machine way from splashing, mutually isolating the machine way and the sidewalk and guaranteeing workers in a pedestrian path from being injured by smashing on the steeply inclined coal face are achieved, and the whole steeply inclined coal face is guaranteed to achieve a good gangue blocking effect. The device has the advantages of simple structure, convenient operation, safe protection and good effect.
Description
Technical field
The present invention relates to a kind of gear cash device and method of coal-face, especially a kind of gear cash device and method that is applicable to improve under coal mine the high-dipping coal-face that keeps off the cash effect.
Background technology
Mine under the high_dipping face condition, can occur in whole manufacturing process coal and rock that coal-winning machine cuts off along the incline direction of work plane accelerate the spoil on downslide or rolling, sidewalk upper cover plate on drag conveyor and the spoil on the machine road is easily altered mutually and the sidewalk in fly into the situation such as spoil, bring great threat for the safety of work plane staff and equipment.
In order to guarantee the normal operation of work plane personnel and device security, according to specific works face actual conditions, present stage, utilize in support termination installation rigidity kept off cash protective screening or soft waste rock blocking protective screening more.Rigidity gear cash method use blocking effect good, be conducive to ventilate and operating personnel can obtain sight line preferably, but because rigidity gear cash protective screening is met and slowed down ability when the bulk bastard coal impacts, easily causes the protective screening deformed damaged; The soft waste rock blocking protective screening can stop and alleviate the impact force of bastard coal block effectively; but affect face-airing and workman's sight line because of area large (grid is closeer); and for there is no suitable gear cash device between machine road and sidewalk and can only rely on set cap to guarantee the safety at workman top, have no safeguard measure for the side direction of spoil.
In sum, the gear cash method of high-dipping coal-face exists this use single at present, can not carry out omnibearing protection and gear cash weak effect to whole work plane.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point in technology, the gear cash device and method of a kind of simple in structure, convenient operation, protection safety, effective high-dipping coal-face is provided.
technical scheme: the gear cash device of high-dipping coal-face of the present invention, the telescopic waste rock board in sidewalk on the brace summer that comprise the gear cash protector that is hinged on high_dipping face hydraulic support forestope, is located at the high_dipping face hydraulic support is equipped with the gate-type waste rock board on the high_dipping face hydraulic support foundation of telescopic waste rock board inboard, sidewalk, described gear cash protector comprises rigidity gear cash protective screening and the soft waste rock blocking protective screening of alternately arranging, rigidity gear cash protective screening is respectively equipped with soft waste rock blocking protective screening inboard the first hydraulic jack that is connected with forestope, the telescopic waste rock board in described sidewalk comprises the expansion baffle rod plate that is hinged on high_dipping face hydraulic support brace summer, expansion baffle rod plate middle part is provided with the second hydraulic jack that is connected with brace summer, the expansion baffle rod plate comprises the one-level blocking rod plate and is nested in the interior secondary waste rock board of one-level waste rock board, be provided with the 3rd between one-level waste rock board and secondary waste rock board, four hydraulic jack, described gate-type waste rock board comprises the bearing pin that is fixed on the high_dipping face hydraulic support foundation, be located at waste rock board on bearing pin, the rear side of waste rock board is provided with the support hydraulic pressure jack that can make waste rock board meet at right angles and swing.
Use the gear cash method of the high-dipping coal-face of said apparatus, rigidity gear cash protective screening and soft waste rock blocking protective screening alternately are being installed on the forestope of seven high_dipping face hydraulic supports; The pavement railing plate of normally open is installed on the brace summer of every high_dipping face hydraulic support simultaneously, and the gate-type waste rock board of one normally open is installed on the base of every five supports in high_dipping face hydraulic support sidewalk; When the coal-winning machine coal cutting, pack up one by one rigidity gear cash protective screening and the soft waste rock blocking protective screening of alternately installing with the coal cutting traffic direction, after the coal-winning machine back roll cuts, open one by one rigidity gear cash protective screening and the soft waste rock blocking protective screening alternately installed, and close one by one the pavement railing plate of normally open; When moving frame, will move one by one the pavement railing plate of frame and pack up, after support moves on to the position, in time open the pavement railing plate.
Beneficial effect: owing to having adopted such scheme, rigidity gear cash protective screening and soft waste rock blocking protective screening are alternately installed in utilization on the hydraulic support forestope, thereby and telescopic pavement railing plate is installed on the hydraulic support brace summer and method that the gate-type waste rock board combines is installed to the work plane omnibearing protection on bracket base, be combined in and telescopic pavement railing plate be installed on the hydraulic support brace summer and the gate-type waste rock board is installed on bracket base, thereby well relaxed the impact force of bulk spoil, increased the life-span of rigid baffle; Simultaneously do not affect again the ventilation of coal-face and workman's sight line, realize the comprehensive gear cash of whole high_dipping face.It is simple in structure, and is easy to operate, for personnel and the equipment of coal-face work provides safety assurance, has practicality widely.
Description of drawings
Fig. 1 is the installation position schematic diagram of the present invention in hydraulic support;
Fig. 2 is the rigidity gear cash protective screening schematic diagram in gear cash protective screening in Fig. 1;
Fig. 3 is the soft waste rock blocking protective screening schematic diagram in gear cash protective screening in Fig. 1;
Fig. 4 is the front view that is used alternatingly rigidity gear cash protective screening and soft waste rock blocking protective screening;
Fig. 5 is telescopic pavement railing plated construction schematic diagram in Fig. 1.
In figure: 1, brace summer; 2, hydraulic jack; 3, forestope; 4, drag conveyor; 5, gate-type waste rock board; 6, the telescopic waste rock board in sidewalk; 7, rigidity gear cash protective screening; 8, soft waste rock blocking protective screening; 9, one-level waste rock board; 10, secondary waste rock 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, the gear cash device of high-dipping coal-face of the present invention, comprise the gear cash protector that is located on high_dipping face hydraulic support forestope, the brace summer 1 of the high_dipping face hydraulic support of gear cash protective screening inboard is provided with the telescopic waste rock board 6 in sidewalk, on the high_dipping face hydraulic support foundation of telescopic waste rock board 6 inboards, sidewalk, gate-type waste rock board 5 is installed; Described gear cash protector comprises rigidity gear cash protective screening 7 and the soft waste rock blocking protective screening 8 of alternately arranging, rigidity gear cash protective screening 7 and soft waste rock blocking protective screening 8 inboards are hinged with respectively the other end and are hinged on the first hydraulic jack 2 on forestope 3, as shown in Figure 3 in Fig. 2, support and pack up by 2 pairs of rigidity gear cash protective screenings 7 of the first hydraulic jack and soft waste rock blocking protective screening 8, as Fig. 4; The telescopic waste rock board 6 in described sidewalk comprises the bearing pin that is fixed on high_dipping face hydraulic support brace summer and the second hydraulic jack 2 that is used for strutting one-level blocking rod plate 10, as shown in Figure 1; Gear cash device is provided with secondary waste rock board 9 and is nested in one-level waste rock board 10, connect with third and fourth hydraulic jack 2 between the two, as shown in Figure 5, described gate-type waste rock board 5 comprises the bearing pin that is fixed on the high_dipping face hydraulic support foundation, be located at waste rock board on bearing pin, the rear side of waste rock board is provided with the support jack that can make waste rock board meet at right angles and swing.
The gear cash method of high-dipping coal-face of the present invention: the gear cash protector that is made of rigidity gear cash protective screening 7 and soft waste rock blocking protective screening 8 alternately is being installed on the forestope 3 of seven high_dipping face hydraulic supports 10; The pavement railing plate 6 of normally open is installed on the brace summer of every high_dipping face hydraulic support simultaneously, and the gate-type waste rock board 5 of one normally open is installed on the base of every five supports in high_dipping face hydraulic support sidewalk, and gate-type waste rock board 5 should be in normally open.Gear cash protector is in normally open, only have just should keep off cash protective screening 7 pack up when coal-winning machine moves to gear cash protective screening 7, coal-winning machine by after should in time be opened to keeping off cash protective screening 7 the cash state that keeps off; All to install pavement railing plate 6 on every support of work plane and must be in normally open, as shown in Figure 1, when the coal-winning machine coal cutting, pack up one by one rigidity gear cash protective screening 7 and the soft waste rock blocking protective screening 8 of alternately installing with the coal cutting traffic direction, the pavement railing plate 6 of coal-winning machine fuselage and coal cutting direction two supports is in advance opened, after the coal-winning machine back roll cuts, open one by one rigidity gear cash protective screening 7 and the soft waste rock blocking protective screening 8 alternately installed, and close one by one the pavement railing plate 6 of normally open; When moving frame, will move one by one the pavement railing plate 6 of frame and pack up, and the accurate waste rock board of packing up current traversing carriage only, after support moves on to the position, in time open pavement railing plate 6.
Claims (2)
1. the gear cash device of a high-dipping coal-face, it is characterized in that: the telescopic waste rock board in sidewalk (6) on the brace summer (1) that it comprises the gear cash protector that is hinged on high_dipping face hydraulic support forestope (3), be located at the high_dipping face hydraulic support is equipped with gate-type waste rock board (5) on the inboard high_dipping face hydraulic support foundation of the telescopic waste rock board in sidewalk (6), described gear cash protector comprises rigidity gear cash protective screening (7) and the soft waste rock blocking protective screening (8) of alternately arranging, rigidity gear cash protective screening (7) is respectively equipped with soft waste rock blocking protective screening (8) inboard the first hydraulic jack that is connected with forestope (3), the telescopic waste rock board in described sidewalk (6) comprises the expansion baffle rod plate that is hinged on high_dipping face hydraulic support brace summer (1), expansion baffle rod plate middle part is provided with the second hydraulic jack that is connected with brace summer (1), the expansion baffle rod plate comprises one-level blocking rod plate (10) and is nested in the interior secondary waste rock board (9) of one-level waste rock board (10), be provided with the 3rd between one-level waste rock board (10) and secondary waste rock board (9), four hydraulic jack, described gate-type waste rock board (5) comprises the bearing pin that is fixed on the high_dipping face hydraulic support foundation, be located at waste rock board on bearing pin, the rear side of waste rock board is provided with the support jack that can make waste rock board meet at right angles and swing.
2. the gear cash method of the high-dipping coal-face that installs according to claim 1 is characterized in that: rigidity gear cash protective screening (7) and soft waste rock blocking protective screening (8) alternately are being installed on the forestope of seven high_dipping face hydraulic supports; The pavement railing plate (6) of normally open is installed on the brace summer of every high_dipping face hydraulic support simultaneously, and the gate-type waste rock board (5) of one normally open is installed on the base of every five supports in high_dipping face hydraulic support sidewalk; When the coal-winning machine coal cutting, pack up one by one rigidity gear cash protective screening (7) and the soft waste rock blocking protective screening (8) of alternately installing with the coal cutting traffic direction, after the coal-winning machine back roll cuts, open one by one rigidity gear cash protective screening (7) and the soft waste rock blocking protective screening (8) alternately installed, and close one by one the pavement railing plate (6) of normally open; When moving frame, will move one by one the pavement railing plate (6) of frame and pack up, after support moves on to the position, in time open pavement railing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310070325.2A CN103161486B (en) | 2013-03-06 | 2013-03-06 | Waste rock blocking method for steep coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310070325.2A CN103161486B (en) | 2013-03-06 | 2013-03-06 | Waste rock blocking method for steep coal face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161486A true CN103161486A (en) | 2013-06-19 |
| CN103161486B CN103161486B (en) | 2015-10-21 |
Family
ID=48584981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310070325.2A Active CN103161486B (en) | 2013-03-06 | 2013-03-06 | Waste rock blocking method for steep coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161486B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314593A (en) * | 2014-11-15 | 2015-01-28 | 中煤北京煤矿机械有限责任公司 | Waste rock blocking net device special for thin coal seam support |
| CN105019903A (en) * | 2015-07-03 | 2015-11-04 | 中国矿业大学 | Integrated support for working face of steeply inclined coal seam and mining method thereof |
| CN108561167A (en) * | 2018-03-16 | 2018-09-21 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of hydraulic pressure automatic catch cash card |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU208722B (en) * | 1989-12-09 | 1993-12-28 | Gewerk Eisenhuette Westfalia | Safetz scaffolding for mining the upper layer of sloping seams |
| CN201502389U (en) * | 2009-09-30 | 2010-06-09 | 林州重机集团股份有限公司 | Comprehensive mechanized mining large tilt angle working surface hydraulic bracket pedestrian passage waste rock blocking device |
| CN201502388U (en) * | 2009-09-30 | 2010-06-09 | 林州重机集团股份有限公司 | Track gangue-blocking device of large dip angle working face hydraulic support |
| CN201953389U (en) * | 2011-01-30 | 2011-08-31 | 重庆大学 | Waste rock blocking device between light frames of working face of steep coal seam |
| CN202250130U (en) * | 2011-09-16 | 2012-05-30 | 淮南矿业(集团)有限责任公司 | Waste rock blocking device |
| CN102889090A (en) * | 2012-09-28 | 2013-01-23 | 中煤北京煤矿机械有限责任公司 | Rigidity adjustable waste rock stopping device for large-tilt-angle working face support |
-
2013
- 2013-03-06 CN CN201310070325.2A patent/CN103161486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU208722B (en) * | 1989-12-09 | 1993-12-28 | Gewerk Eisenhuette Westfalia | Safetz scaffolding for mining the upper layer of sloping seams |
| CN201502389U (en) * | 2009-09-30 | 2010-06-09 | 林州重机集团股份有限公司 | Comprehensive mechanized mining large tilt angle working surface hydraulic bracket pedestrian passage waste rock blocking device |
| CN201502388U (en) * | 2009-09-30 | 2010-06-09 | 林州重机集团股份有限公司 | Track gangue-blocking device of large dip angle working face hydraulic support |
| CN201953389U (en) * | 2011-01-30 | 2011-08-31 | 重庆大学 | Waste rock blocking device between light frames of working face of steep coal seam |
| CN202250130U (en) * | 2011-09-16 | 2012-05-30 | 淮南矿业(集团)有限责任公司 | Waste rock blocking device |
| CN102889090A (en) * | 2012-09-28 | 2013-01-23 | 中煤北京煤矿机械有限责任公司 | Rigidity adjustable waste rock stopping device for large-tilt-angle working face support |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314593A (en) * | 2014-11-15 | 2015-01-28 | 中煤北京煤矿机械有限责任公司 | Waste rock blocking net device special for thin coal seam support |
| CN105019903A (en) * | 2015-07-03 | 2015-11-04 | 中国矿业大学 | Integrated support for working face of steeply inclined coal seam and mining method thereof |
| CN105019903B (en) * | 2015-07-03 | 2018-07-20 | 中国矿业大学 | Integrated support for working face of steeply inclined coal seam and mining method thereof |
| CN108561167A (en) * | 2018-03-16 | 2018-09-21 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of hydraulic pressure automatic catch cash card |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103161486B (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2018360990A1 (en) | Process and Equipment for Supporting Anchor Bolt and Anchor Cable on Continuous Mining Working Face | |
| CN103161486B (en) | Waste rock blocking method for steep coal face | |
| CN201891435U (en) | Energy absorber for preventing explosion impact | |
| CN203487471U (en) | Movable airport taxiway bridge demolition protection device | |
| CN104499528A (en) | Sliding protective net of cab of hydraulic excavator | |
| CN101514543B (en) | Mobile trolley used for erecting and removing surface of construction catwalk of suspension bridge | |
| CN211114941U (en) | Protective shed for safety passage | |
| CN203594463U (en) | Synchronizing gear of side protecting plates | |
| CN203345953U (en) | Protection mechanism for preventing front glass of cab of sling cart provided with telescopic crane from being damaged | |
| CN209305568U (en) | A kind of novel subway evacuation platform | |
| CN107035393B (en) | A kind of airborne hydraulic anchor pole drilling equipment | |
| CN202559705U (en) | Safety protective isolation measure hanging rack of rail transit elevated station | |
| CN202194676U (en) | In-support protection device for hydraulic support | |
| CN103195433B (en) | Method for speedy drivage in large section coal road | |
| CN204225509U (en) | A kind of building construction protected apron | |
| CN111350140A (en) | Railway track side slope section protection system | |
| CN207376529U (en) | A kind of protecting device of highway | |
| CN202530386U (en) | Safety protecting isolation frame for light rail elevated station | |
| CN211897927U (en) | Automatic lifting protective net for railway side slope | |
| CN201593435U (en) | Safety protection device of coal mining support | |
| CN215979491U (en) | Tunnel safety monitoring device | |
| CN204343366U (en) | A kind of hydraulic crawler excavator driver's cabin packaged type protective screening | |
| CN203130132U (en) | Top beam of end support assembly comprising double supports | |
| CN204455934U (en) | Expressway Central Strip movable rail | |
| CN220999159U (en) | Electromechanical safety device of highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |