CN108756875A - The continuous quarrying apparatus of row's open coal mine medium-thickness seam and method in a kind of - Google Patents
The continuous quarrying apparatus of row's open coal mine medium-thickness seam and method in a kind of Download PDFInfo
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- CN108756875A CN108756875A CN201810291030.0A CN201810291030A CN108756875A CN 108756875 A CN108756875 A CN 108756875A CN 201810291030 A CN201810291030 A CN 201810291030A CN 108756875 A CN108756875 A CN 108756875A
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- 239000003245 coal Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005266 casting Methods 0.000 claims abstract description 82
- 238000005065 mining Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000032258 transport Effects 0.000 claims description 26
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005422 blasting Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/26—Methods of surface mining; Layouts therefor
- E21C41/28—Methods of surface mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/02—Transport of mined mineral in galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
- E21F13/066—Scraper chain conveyors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
- E21F15/10—Hydraulic or pneumatic filling-up machines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Structure Of Belt Conveyors (AREA)
- Belt Conveyors (AREA)
Abstract
The continuous quarrying apparatus of row's open coal mine medium-thickness seam and method, are suitable for Opencut coal mine mining and use in a kind of.Including flitting, drag conveyor, hydraulic pressure casting cover organizations, extension band type conveyor, rubber belt transshipment machine, working face ribbon conveyer；Specific steps include that dass prepares, system arrangement promotes with laterally interior row, system and stays ditch along sky, and the power shovel and hydraulic shovel substituted in original opencut exploits open coal mine medium-thickness seam, improves working efficiency；Opencut drilling and blasting process can be saved, cost of winning is saved；Meanwhile Mining Transport serialization, production efficiency is high, Production of Strip Mine stability.
Description
Technical field
The present invention relates to a kind of continuous quarrying apparatus in coal seam and methods, are especially adapted for use in interior row when Opencut coal mine mining
The continuous quarrying apparatus of open coal mine medium-thickness seam and method.
Background technology
Row refers to dumping overburden transport to a kind of casting mode in goaf in open coal mine.Medium-thickness seam is dinger thickness
Spend the coal seam between 3.5m -10m.Currently, the main loading that breaking process and half-continuous process use between interior row's open coal mine
Equipment is power shovel.The features such as power shovel has production capacity big, and production cost is low, the reasonable excavation of country's mainstream power shovel at present is highly
It is all higher than 10m, poor for the adaptability of medium-thickness seam, capacity of equipment loss is serious when exploiting medium-thickness seam.Hydraulic pressure reverse spader
There is the features such as maneuverability, easy to operate, under the thinner case of coal seam, choosing, which is adopted, to work well, but hydraulic hoe ability is limited, on a small quantity
Equipment cannot be satisfied open coal mine and largely adopt stripping engineering demand, and fuel consumption will be significantly increased by increasing number of devices, increase enterprise
Industry invests while increasing mine management difficulty.Meanwhile power shovel can only excavate the smaller rock of hardness with hydraulic shovel, for hardness
Larger rock, it is desirable that carry out adopting dress again after explosion in advance, blasting cost is high.
Truck transport is the main selection of open coal mine material transportation in recent years, and truck transport has maneuverability, convenient
The features such as allotment.But truck transport is higher for opencut rto request, and outdoor pit ground swell water is more, and regimen is complicated, ponding
Seriously, in the case of road conditions are poor, truck transport is highly prone to influence, and transport capacity is unable to get effective guarantee with transportation safety.
Flitting twin-roll digging height about 10m, coal mining machine roller hardness is big, and cutting capacity is strong, to different hardness
Coal is adaptable, has great advantage in medium-thickness seam exploitation in conjunction with drag conveyor, system capacity is big, production effect
Rate is high.Drag conveyor combination ribbon conveyer forms continuous haulage system, and transport capacity is big, and stability is high.But roller is mined
Machine sets with drag conveyor shifting and relies on other equipment often, and opencut existing device difficulty or ease meet, and become obstruction flitting
In the bottleneck that open coal mine uses.
Invention content
Technical problem：Purpose in view of the above technology, provides that a kind of step is simple, in the good interior row's open coal mine of using effect
High seam continuous exploitation method.
Technical solution：To achieve the goals above, the interior continuous winning apparatus of row's open coal mine medium-thickness seam of the invention, packet
Include flitting, drag conveyor, hydraulic pressure casting cover organizations, extension band type conveyor, rubber belt transshipment machine, working face belt
Conveyer；
Internal dumping is wherein withstood in working channel and is provided with multiple hydraulic pressure casting cover organizations, and multiple hydraulic pressure castings are covered
The hydraulic pressure club head for protecting mechanism is equipped with drag conveyor, and flitting, the drag conveyor are equipped with above drag conveyor
For main Coal Transport equipment, it is arranged in seat earth, arranges that side is close to dass coal wall, separately along working channel overall length
Side is hydraulic pressure casting cover organizations；The flitting is main coal mining equipment, using drag conveyor as guide rail,
It moves towards to move back and forth along drag conveyor, be mined coal during traveling；The hydraulic pressure casting cover organizations are main passage
Equipment is responsible for forward elapsing drag conveyor, and the hydraulic pressure casting cover organizations are by passage hydraulic cylinder, bottom supporting rack and gear
Plate is constituted, and wherein bottom supporting rack is directly contacted with ground, increases equipment overall weight, improves the frictional force with ground, described
Passage hydraulic cylinder level is fixed in the middle part of the supporting rack of bottom, is rigidly connected with bottom supporting rack, and the baffle is located at hydraulic cylinder tail
Portion side is connect with bottom supporting rack perpendicular rigid；
The extension band type conveyor stays ditch contact groove to move towards advanced roller coal mining with rubber belt transshipment machine each along sky
Machine is arranged, described to stay ditch contact groove trend to exploit position by the exploitation same dass early period position direction later stage along sky.
Passage hydraulic cylinder is connect with drag conveyor, and baffle is respectively placed in hydraulic cylinder both sides with drag conveyor, and baffle is high
Degree is 3m.
Open coal mine medium-thickness seam continuous exploitation method is arranged in a kind of, its step are as follows：
Step 1, advance stripping is carried out to open coal mine coal seam overlying ground, formation length is passed through on opencut direction of propulsion
The stripping area that logical two side ends side width is 100-200m, the opencut direction of propulsion are directed toward stripping area from refuse dump；
Using coal of the hydraulic hoe cooperation small mine haulage truck exploitation in advance near the side of one side of opencut
Resource forms rectangle working channel along opencut direction of propulsion, and the working channel depth is identical as coal seam thickness, working channel
After the completion of arrangement, in working channel, far from refuse dump one end digging, depth is identical with coal seam thickness opens dissected valley slot, and described open is cut
Rectangle is presented in groove shape, and horizontal direction is vertical with opencut direction of propulsion, opens dissected valley slot and is advanced into another side side of opencut
When, it working channel and opens and forms dass between dissected valley slot, complete dass and prepare；
Step 2, multiple hydraulic pressure casting cover organizations are a set of every 2m arrangements along drag conveyor overall length, by extension band type
Conveyer setting was stayed along sky in ditch contact groove in a upper phase, and extension band type conveyor tail is connect with drag conveyor, is stretched
Belt conveyer head is connect with rubber belt transshipment machine；
By rubber belt transshipment machine be similarly disposed at a upper phase along sky stay ditch contact groove in, rubber belt transshipment machine tail and telescopic band
Formula conveyer connects, and rubber belt transshipment machine head is connect with working face ribbon conveyer；
By working face ribbon conveyer be arranged in internal dumping close to along sky stay ditch get in touch with groove casting step along will be former
Coal transports stope, and belt conveyer head is connect with rubber belt transshipment machine；
Implement the laterally interior row carried out vertical with open coal mine direction of propulsion in the horizontal plane, direction of propulsion in working channel
Later stage casting position is directed toward by casting early period position, when 2/3 area and the internal dumping step of hydraulic pressure casting cover organizations baffle
When slope surface contacts, stop interior row；
Step stops interior row, rolling when 2/3 area and the internal dumping bench face of hydraulic pressure casting cover organizations baffle contact
Cylinder coalcutter is moved to out dissected valley slot side, is switched on and along the reciprocal traveling of drag conveyor, cutting coal, coal is conveyed through scraper plate
Machine, extension band type conveyor, rubber belt transshipment machine, working face ribbon conveyer transport stope；
During flitting traveling coal cutting, hydraulic pressure casting cover organizations hydraulic cylinder is stretched out the scraper plate of coal cutting position
Conveyer elapses forward, close to coal wall, prepares coal cutting next time, when hydraulic pressure casting cover organizations elapse drag conveyor, shielding
Mechanism baffle is contacted with casting step, forms impetus, and hydraulic pressure casting cover organizations hydraulic cylinder stretches out, before elapsing drag conveyor
It moves, after drag conveyor Forward, is contacted with ground under self gravitation effect and generate frictional force, form impetus, elapse hydraulic pressure
Cylinder is withdrawn, and band hydrodynamic pressure casting cover organizations move forward, and after the Forward of hydraulic pressure casting cover organizations, internal dumping carries out casting work
Industry, ensure again hydraulic pressure casting cover organizations baffle/area contacts with casting bench face, as drag conveyor next time
Move the impetus set；
As dass coal is constantly produced, internal dumping casting step follows up forward therewith, when being arranged in refuse dump,
Dissected valley groove location is opened without interior row, the dissected valley slot of opening excavated gets in touch with raceway groove along the empty transport for staying ditch to be exploited as next phase；
In dass progress of coal mining, opencut stripping operation persistently carries out, and constantly increases stripping area and reveals coal amount, and
It excavates working channel and opens dissected valley slot, prepare next dass, excavated in opening in dissected valley slot using opencut stripping process
Rock pile up the Collector Street between connection internal dumping and stripping area for truck walk, to reduce overburden transport
Distance；
Step 4, during drag conveyor is pushed ahead, extension band type conveyor is constantly shunk, and ensures to convey with scraper plate
The link of machine, rubber belt transshipment machine ensure transport continuity along the forward movement of dissected valley slot is opened, and when close to end side, stay ditch to get in touch with along sky
Groove space is compressed, and be cannot be satisfied extension band type conveyor and is required with rubber belt transshipment machine arrangement, stays ditch to get in touch with ditch along sky at this time
Row in stopping in road provides space for extension band type conveyor and rubber belt transshipment machine arrangement；
After current dass exploitation, by flitting, drag conveyor, hydraulic pressure casting cover organizations, telescopic band
Formula conveyer, rubber belt transshipment machine, working face ribbon conveyer are moved to the dass working channel newly prepared, and step 1- is repeated
4, complete the serialization exploitation of open coal mine coal.
The width of working channel is B in the step 2g, the width B of working channelgUtilize formula：BK=Max { B1,B2}
It determines, the B1Width is dug for working channel, working channel digs width B1=Y+2A；The B2It was exploited for working channel
Cheng Kuandu, working channel recovery process width B2=S+P；Y is small mine haulage truck traveling minimum widith, unit m in formula；
Safe distances of the A between small mine haulage truck and both sides coal, unit m；S is flitting, drag conveyor, hydraulic pressure
The arrangement minimum widith of casting cover organizations, unit m；P is internal dumping minimum casting width unit, unit m；It is described to open dissected valley
The width of slot is Bk, open the width B of dissected valley slotkIt is determined using formula：Bk=Y+2A.
Extension band type conveyor stays the shifting in ditch contact groove to set in same with rubber belt transshipment machine along empty in the step 4
Number by along sky stay ditch contact trench length it is related with extension band type conveyor Extensible, for avoid winter cold period or
Sweltering heat period person's summer, which moves, to be set, and setting extension band type conveyor Extensible is to stay ditch to get in touch with the 1/4 of trench length along sky, often
Nian Yishe 3 times.
Advantageous effect：
The application flitting substitutes power shovel and hydraulic shovel exploits open coal mine medium-thickness seam, avoids power shovel
The loss of ability reduces hydraulic shovel quantity, reduces fuel consumption；Flitting combine it is broken, adopt dress dual function,
Cutting drum is stronger to the adaptability of material hardness, and the disposable exploitation of open coal mine different hardness medium-thickness seam may be implemented,
Drilling and blasting process is saved, Production of Strip Mine cost is reduced；Coal is transported using drag conveyor, saves working face truck transport ring
Section, solves under opencut complexity regimen, truck transport ability and transportation safety problem, realizes that transport serialization, production are reliable
Property stablize, production efficiency improve；Flitting, drag conveyor, hydraulic pressure casting cover organizations, extension band type conveyor, glue
Band elevating conveyor is respectively positioned on working channel and its nearby, and equipment arrangement concentration, mine management difficulty is small；Flitting, scraper plate are defeated
Machine is sent to realize production domesticization, equipment performance is excellent, and price is low, and habilitation is few.
Description of the drawings
Fig. 1 is that interior row's open coal mine medium-thickness seam continuous exploitation method dass of the present invention prepares schematic diagram；
Fig. 2-1 is the progress of coal mining schematic diagram of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention；
Fig. 2-2 is the progress of coal mining schematic diagram office of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention
Portion's enlarged drawing；
Fig. 3 is that the working channel equipment of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention arranges section
Figure；
Fig. 4 (a) is the front view of the hydraulic pressure casting cover organizations of the present invention；
Fig. 4 (b) is the right view of the hydraulic pressure casting cover organizations of the present invention；
Fig. 4 (c) is the vertical view of the hydraulic pressure casting cover organizations of the present invention；
Fig. 5 is the recovery process latter stage schematic diagram of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention；
Fig. 6 (a) is during the working channel of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention is dug
Width indication figure.
Fig. 6 (b) is the working channel mining of raw coal mistake of interior row's open coal mine medium-thickness seam continuous exploitation method of the present invention
Width indication figure in journey.
In figure：It helps at the ends 1-；2- stripping areas；3- opens dissected valley slot；4- dasses；5- stays ditch to get in touch with groove along sky；Row in 6-
Tu Chang；601- casting bench faces；7- working channels；8- hydraulic pressure casting cover organizations；801- elapses hydraulic cylinder；The bottoms 802-
Supporting rack；803- baffles；9- drag conveyors；10- flittings；11- extension band type conveyors；12- rubber belt transshipment machines；
13- working face ribbon conveyers；14- stopes refuse dump Collector Street.
Specific implementation mode：
Specific implementation is described further below in conjunction with the accompanying drawings.
As shown in Fig. 1,2-1 and Fig. 2-2, the interior continuous winning apparatus of row's open coal mine medium-thickness seam of the invention, feature
It is：It includes flitting 10, drag conveyor 9, hydraulic pressure casting cover organizations 8, extension band type conveyor 11, adhesive tape turn
Carrier aircraft 12, working face ribbon conveyer 13；
Internal dumping 6 is wherein withstood in working channel 7 is provided with multiple hydraulic pressure casting cover organizations 8, multiple hydraulic pressure rows
The hydraulic pressure club head of native cover organizations 8 is equipped with drag conveyor 9, and 9 top of drag conveyor is equipped with flitting 10, described to scrape
Plate conveyer 9 is main Coal Transport equipment, is arranged in seat earth, arranges that side is close to digging along 7 overall length of working channel
4 coal wall of band, the other side are hydraulic pressure casting cover organizations 8；The flitting 10 is main coal mining equipment, with scraper plate
Conveyer 9 is guide rail, moves towards to move back and forth along drag conveyor 9, be mined coal during traveling；Machine is screened in the hydraulic pressure casting
Structure 8 is main passage equipment, is responsible for forward elapsing drag conveyor, as shown in Fig. 4 (a), Fig. 4 (b) and Fig. 4 (c), institute
It states hydraulic pressure casting cover organizations 8 to be made of passage hydraulic cylinder 801, bottom supporting rack 802 and baffle 803, wherein bottom supporting rack
802 directly contact with ground, increase equipment overall weight, improve the frictional force with ground, and the passage hydraulic cylinder 801 is horizontal solid
Due to 802 middle part of bottom supporting rack, it is rigidly connected with bottom supporting rack 802, the baffle 803 is located at hydraulic cylinder tail portion side,
It is connect with 802 perpendicular rigid of bottom supporting rack；Passage hydraulic cylinder 801 is connect with drag conveyor 9, and baffle 803 is conveyed with scraper plate
Machine 9 is respectively placed in 801 both sides of hydraulic cylinder, and 803 height of baffle is 3m；
The extension band type conveyor 11 stays ditch contact groove to move towards advanced roller with rubber belt transshipment machine 12 each along sky
Coalcutter is arranged, described to stay ditch contact groove trend to exploit position by same dass 4 early period of the exploitation position direction later stage along sky.
Open coal mine medium-thickness seam continuous exploitation method is arranged in a kind of, its step are as follows：
Step 1, advance stripping is carried out to open coal mine coal seam overlying ground, formation length is passed through on opencut direction of propulsion
The stripping area 2 that logical two side ends side width is 100-200m, the opencut direction of propulsion are directed toward stripping area 2 from refuse dump 6；
As shown in figure 5, helping 1 close to one side of opencut using the exploitation in advance of hydraulic hoe cooperation small mine haulage truck
Neighbouring coal resources form rectangle working channel 7,7 depth of the working channel and coal seam thickness along opencut direction of propulsion
Identical, after the completion of working channel 7 is arranged, in working channel 7, far from refuse dump one end digging, depth is identical with coal seam thickness opens
Rectangle is presented in dissected valley slot 3,3 shape of dissected valley slot of opening, and horizontal direction is vertical with opencut direction of propulsion, opens the propulsion of dissected valley slot 3
It when to another side of opencut side 1, working channel 7 and opens and forms dass 4 between dissected valley slot 3, complete dass and prepare；Step
2, multiple hydraulic pressure casting cover organizations 8 are a set of every 2m arrangements along 9 overall length of drag conveyor, extension band type conveyor 11 is set
It sets and was stayed in ditch contact groove 5 along sky in a upper phase, extension band type conveyor tail is connect with drag conveyor 9, and extension band type is defeated
Machine head is sent to be connect with rubber belt transshipment machine 12；
By rubber belt transshipment machine 12 be similarly disposed at a upper phase along sky stay ditch contact groove 5 in, rubber belt transshipment machine tail with stretch
Contracting ribbon conveyer 11 connects, and rubber belt transshipment machine head is connect with working face ribbon conveyer 13；
Working face ribbon conveyer 13 is arranged in internal dumping 6 to incite somebody to action close to along the casting step that sky stays ditch contact groove
Raw coal transports stope, and 13 head of ribbon conveyer is connect with rubber belt transshipment machine 12；
As shown in figure 3, implementing in the transverse direction carried out vertical with open coal mine direction of propulsion in the horizontal plane in working channel 7
Row, direction of propulsion is directed toward later stage casting position by casting early period position, when 2/3 area of hydraulic pressure casting cover organizations baffle 803
When being contacted with 601 bench face of internal dumping, stop interior row；
Step 3, stop when 2/3 area of hydraulic pressure casting cover organizations baffle 803 is contacted with internal dumping bench face 601
Interior row, flitting 10 are moved to out 3 side of dissected valley slot, are switched on and along 9 reciprocal traveling of drag conveyor, cutting coal, coal
Charcoal transports stope through drag conveyor 9, extension band type conveyor 11, rubber belt transshipment machine 12, working face ribbon conveyer 13；
During 10 traveling coal cutting of flitting, hydraulic pressure casting cover organizations hydraulic cylinder 801 is stretched out coal cutting position
Drag conveyor 9 elapse forward, close to coal wall, prepare coal cutting next time, hydraulic pressure casting cover organizations 8 elapse drag conveyor
When, cover organizations baffle is contacted with casting step, forms impetus, and hydraulic pressure casting cover organizations hydraulic cylinder 801 stretches out, passage
Drag conveyor 9 moves forward, and after drag conveyor 9 moves forward, is contacted with ground under self gravitation effect and generates frictional force, formed
Force, passage hydraulic cylinder 801 are withdrawn, and band hydrodynamic pressure casting cover organizations 8 move forward, after hydraulic pressure casting cover organizations 8 move forward,
Internal dumping 6 carries out casting operation, ensures 2/3 area and casting bench face of hydraulic pressure casting cover organizations baffle 803 again
601 contacts, the impetus set is moved as drag conveyor 9 next time；
As 4 coal of dass is constantly produced, 6 casting step of internal dumping follows up forward therewith, is arranged in refuse dump
When, 3 position of dissected valley slot is opened without interior row, and ditch is got in touch in the transport that dissected valley slot 3 stays ditch to be exploited as next phase along sky of opening excavated
Road 5；
In 4 progress of coal mining of dass, opencut stripping operation persistently carries out, and constantly increases stripping area 2 and reveals coal amount,
And excavate working channel 7 and open dissected valley slot 3, prepare next dass, is opening in dissected valley slot 3 in utilization opencut stripping process
The rock of excavation piles up the Collector Street 14 between connection internal dumping 6 and stripping area 2 and walks for truck, to reduce stripping
From object transportation range；
As described in Fig. 6 (a) and Fig. 6 (b), the width of working channel 7 is Bg, the width B of working channel 7gUtilize formula：BK
=Max { B1,B2Determine, the B1Width is dug for working channel 7, working channel 7 digs width B1=Y+2A；The B2For
7 recovery process width of working channel, 7 recovery process width B of working channel2=S+P；Y is that small mine haulage truck is walked in formula
Row minimum widith, unit m；Safe distances of the A between small mine haulage truck and both sides coal, unit m；S mines for roller
The arrangement minimum widith of machine 10, drag conveyor 9, hydraulic pressure casting cover organizations 8, unit m；P is that internal dumping minimum casting is wide
Spend unit, unit m；The width for opening dissected valley slot 3 is Bk, open the width B of dissected valley slot 3kIt is determined using formula：Bk=Y+2A；
Step 4, during drag conveyor 9 is pushed ahead, extension band type conveyor 11 is constantly shunk, and is ensured defeated with scraper plate
It send the link of machine 9, rubber belt transshipment machine 13 to be moved forward along dissected valley slot 3 is opened, ensures transport continuity, when close to end side, stayed along sky
5 space of ditch contact groove is compressed, and be cannot be satisfied extension band type conveyor 11 and is required with the arrangement of rubber belt transshipment machine 12, at this time along sky
Row in stopping in ditch contact raceway groove 5 is stayed, space is provided for extension band type conveyor 11 and the arrangement of rubber belt transshipment machine 12；
After current dass 4 is exploited, by flitting 10, drag conveyor 9, hydraulic pressure casting cover organizations 8, stretch
Contracting ribbon conveyer 11, rubber belt transshipment machine 12, working face ribbon conveyer 13 are moved to the dass working channel newly prepared,
Step 1-4 is repeated, the serialization exploitation of open coal mine coal is completed；
Extension band type conveyor 11 and rubber belt transshipment machine 12 same along the empty shifting stayed in ditch contact groove 5 set number by
Along sky stay ditch contact 5 length of groove it is related with 11 Extensible of extension band type conveyor, for avoid winter cold period or
Sweltering heat period summer, which moves, to be set, and setting 11 Extensible of extension band type conveyor is to stay ditch to get in touch with the 1/4 of trench length along sky, often
Nian Yishe 3 times.
Claims (5)
1. arranging the continuous winning apparatus of open coal mine medium-thickness seam in a kind of, it is characterised in that：It includes flitting (10), scrapes
Plate conveyer (9), hydraulic pressure casting cover organizations (8), extension band type conveyor (11), rubber belt transshipment machine (12), working face belt
Conveyer (13)；
Wherein internal dumping (6) is withstood in working channel (7) be provided with multiple hydraulic pressure casting cover organizations (8), multiple hydraulic pressure
The hydraulic pressure club head of casting cover organizations (8) is equipped with drag conveyor (9), and flitting is equipped with above drag conveyor (9)
(10), the drag conveyor (9) is main Coal Transport equipment, seat earth is arranged in, along working channel (7) overall length cloth
It sets, close to dass (4) coal wall, the other side is hydraulic pressure casting cover organizations (8) for side；The flitting (10) is main
Coal mining equipment, with drag conveyor (9) be guide rail, along drag conveyor (9) move towards move back and forth, traveling in the process open
Coal mining charcoal；The hydraulic pressure casting cover organizations (8) are main passage equipment, are responsible for forward elapsing drag conveyor, described
Hydraulic pressure casting cover organizations (8) are made of passage hydraulic cylinder (801), bottom supporting rack (802) and baffle (803), wherein bottom
Supporting rack (802) is directly contacted with ground, increases equipment overall weight, improves the frictional force with ground, the passage hydraulic cylinder
(801) level is fixed in the middle part of bottom supporting rack (802), is rigidly connected with bottom supporting rack (802), baffle (803) position
In hydraulic cylinder tail portion side, it is connect with bottom supporting rack (802) perpendicular rigid；
The extension band type conveyor (11) stays ditch contact groove to move towards advanced roller with rubber belt transshipment machine (12) each along sky
Coalcutter is arranged, described to stay ditch contact groove trend to exploit position by exploitation same dass (4) early period position direction later stage along sky
It sets.
2. the interior continuous winning apparatus of row's open coal mine medium-thickness seam according to claim 1, it is characterised in that：Elapse hydraulic pressure
Cylinder (801) is connect with drag conveyor (9), and baffle (803) is respectively placed in hydraulic cylinder (801) both sides with drag conveyor (9), is kept off
Plate (803) is highly 3m.
3. a kind of using thick in interior row's open coal mine of the interior continuous winning apparatus of row's open coal mine medium-thickness seam described in claim 1
Coal seam continuous exploitation method, it is characterised in that steps are as follows：
Step 1, advance stripping is carried out to open coal mine coal seam overlying ground, the formation length perforation two on opencut direction of propulsion
It is the stripping area (2) of 100-200m that width is helped in side, and the opencut direction of propulsion is directed toward stripping area from refuse dump (6)
(2)；
Coal money using the exploitation in advance of hydraulic hoe cooperation small mine haulage truck close to one side of opencut side (1) nearby
Source forms rectangle working channel (7) along opencut direction of propulsion, and working channel (7) depth is identical as coal seam thickness, work
After the completion of groove (7) arrangement, in working channel (7), far from refuse dump one end digging, depth is identical with coal seam thickness opens dissected valley slot
(3), rectangle is presented in described dissected valley slot (3) shape of opening, and horizontal direction is vertical with opencut direction of propulsion, opens dissected valley slot (3) propulsion
When helping (1) to another side of opencut, working channel (7) and opens and form dass (4), completion dass between dissected valley slot (3)
Prepare；
Step 2, multiple hydraulic pressure casting cover organizations (8) are a set of every 2m arrangements along drag conveyor (9) overall length, by telescopic band
Formula conveyer (11) setting stayed ditch to get in touch in groove (5) in a upper phase along sky, extension band type conveyor tail and drag conveyor
(9) it connects, extension band type conveyor head is connect with rubber belt transshipment machine (12)；
Rubber belt transshipment machine (12) was similarly disposed at a upper phase stays ditch to get in touch in groove (5) along sky, rubber belt transshipment machine tail with stretch
Contracting ribbon conveyer (11) connects, and rubber belt transshipment machine head is connect with working face ribbon conveyer (13)；
Working face ribbon conveyer (13) is arranged in internal dumping (6) to incite somebody to action close to along the casting step that sky stays ditch contact groove
Raw coal transports stope, and working face ribbon conveyer (13) head is connect with rubber belt transshipment machine (12)；
Implement the laterally interior row carried out vertical with open coal mine direction of propulsion in the horizontal plane, direction of propulsion in working channel (7)
Later stage casting position is directed toward by casting early period position, when 2/3 area and internal dumping of hydraulic pressure casting cover organizations baffle (803)
(601) when bench face contacts, stop interior row；
Step 3, stop when 2/3 area of hydraulic pressure casting cover organizations baffle (803) is contacted with internal dumping bench face (601)
Interior row, flitting (10) are moved to out dissected valley slot (3) side, are switched on and along drag conveyor (9) reciprocal traveling, cutting coal
Charcoal, coal is through drag conveyor (9), extension band type conveyor (11), rubber belt transshipment machine (12), working face ribbon conveyer (13)
Transport stope；
During flitting (10) traveling coal cutting, hydraulic pressure casting cover organizations hydraulic cylinder (801) is stretched out coal cutting position
Drag conveyor (9) elapse forward, close to coal wall, prepare coal cutting next time, it is defeated that hydraulic pressure casting cover organizations (8) elapse scraper plate
When sending machine, cover organizations baffle is contacted with casting step, forms impetus, and hydraulic pressure casting cover organizations hydraulic cylinder (801) stretches out,
It elapses drag conveyor (9) to move forward, after drag conveyor (9) Forward, contacts generation friction with ground under self gravitation effect
Power forms impetus, and passage hydraulic cylinder (801) is withdrawn, and band hydrodynamic pressure casting cover organizations (8) move forward, and hydraulic pressure casting is covered
After protecting mechanism (8) Forward, internal dumping (6) carries out casting operation, ensures the 2/ of hydraulic pressure casting cover organizations baffle (803) again
3 areas are contacted with casting bench face (601), and the impetus set is moved as drag conveyor next time (9)；
As dass (4) coal is constantly produced, internal dumping (6) casting step follows up forward therewith, is arranged in refuse dump
When, dissected valley slot (3) position is opened without interior row, and the dissected valley slot (3) of opening excavated stays the transport connection that ditch is exploited as next phase along sky
Network raceway groove (5)；
In dass (4) progress of coal mining, opencut stripping operation persistently carries out, and constantly increases stripping area (2) and reveals coal amount,
And excavate working channel (7) and open dissected valley slot (3), prepare next dass, is removed using opencut opening in dissected valley slot (3)
The rock excavated in the process piles up the Collector Street (14) between connection internal dumping (6) and stripping area (2) for truck company
It walks, to reduce overburden transportation range；
Step 4, during drag conveyor (9) is pushed ahead, extension band type conveyor (11) is constantly shunk, and is ensured defeated with scraper plate
The link of machine (9), rubber belt transshipment machine (13) is sent to ensure transport continuity along dissected valley slot (3) forward movement is opened, when close to end side,
It stays ditch contact groove (5) space to be compressed along sky, cannot be satisfied extension band type conveyor (11) and arranged with rubber belt transshipment machine (12)
Stop interior row it is required that staying ditch to get in touch in raceway groove (5) along sky at this time, be extension band type conveyor (11) and rubber belt transshipment machine (12) cloth
It sets and space is provided；
After current dass (4) exploitation, by flitting (10), drag conveyor (9), hydraulic pressure casting cover organizations
(8), extension band type conveyor (11), rubber belt transshipment machine (12), working face ribbon conveyer (13) resettlement to the digging newly prepared
In band working channel, step 1-4 is repeated, completes the serialization exploitation of open coal mine coal.
4. interior row's open coal mine medium-thickness seam continuous exploitation method according to claim 3, it is characterised in that：The step
The width of working channel (7) is B in 2g, the width B of working channel (7)gUtilize formula：BK=Max { B1,B2Determine, the B1
Width is dug for working channel (7), working channel (7) digs width B1=Y+2A；The B2For working channel (7) recovery process
Width, working channel (7) recovery process width B2=S+P；Y is small mine haulage truck traveling minimum widith, unit in formula
m；Safe distances of the A between small mine haulage truck and both sides coal, unit m；S is flitting (10), scraper plate conveying
The arrangement minimum widith of machine (9), hydraulic pressure casting cover organizations (8), unit m；P is internal dumping minimum casting width unit, single
Position m；The width for opening dissected valley slot (3) is Bk, open the width B of dissected valley slot (3)kIt is determined using formula：Bk=Y+2A.
5. interior row's open coal mine medium-thickness seam continuous exploitation method according to claim 3, it is characterised in that：The step
The shifting that extension band type conveyor (11) stays ditch to get in touch in groove (5) in same with rubber belt transshipment machine (12) along sky in 4 sets number
Stayed ditch contact groove (5) length related with extension band type conveyor (11) Extensible by along sky, when to avoid winter cold
Phase or summer in hot period move and set, and setting extension band type conveyor (11) Extensible is to stay ditch to get in touch with trench length along sky
1/4, annual move sets 3 times.
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| CN110388211A (en) * | 2019-08-29 | 2019-10-29 | 天地科技股份有限公司上海分公司 | The big blocking continuous mining system of opencut |
| CN110984993A (en) * | 2019-12-12 | 2020-04-10 | 神华准格尔能源有限责任公司 | Mining process for realizing non-transportation dumping of strip mine and scraper type dumping machine |
| CN111022054A (en) * | 2019-12-12 | 2020-04-17 | 神华准格尔能源有限责任公司 | Adjacent equidirectional asynchronous mining open pit and mining method thereof |
| CN114033380A (en) * | 2021-10-18 | 2022-02-11 | 辽宁工程技术大学 | Parallel double-working-line reverse-propulsion inclined coal seam strip mine mining method |
| CN114718575A (en) * | 2022-05-10 | 2022-07-08 | 中国矿业大学 | Mining, loading and transporting method for unmanned lower stope of nearly horizontal open pit coal mine |
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| CN114718575B (en) * | 2022-05-10 | 2023-05-02 | 中国矿业大学 | Mining, transporting and transporting method for stope under unmanned condition of near-horizontal open-air coal mine |
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