CN105401951A - Common gangue removal method and system for dual rock roadways of coal mine - Google Patents
Common gangue removal method and system for dual rock roadways of coal mine Download PDFInfo
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- CN105401951A CN105401951A CN201510877798.2A CN201510877798A CN105401951A CN 105401951 A CN105401951 A CN 105401951A CN 201510877798 A CN201510877798 A CN 201510877798A CN 105401951 A CN105401951 A CN 105401951A
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- longitudinal
- waste bin
- gangue
- mine car
- turning
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention discloses a common gangue removal method and a common gangue removal system for dual rock roadways of coal mine. According to the technical scheme adopted by the invention, a transverse connection roadway is firstly arranged between two adjacent longitudinal roadways, and longitudinal belt conveyors and a transverse belt conveyor are respectively arranged in the longitudinal roadways and the transverse connection roadway; a turning mechanism is respectively arranged at the two ends of the transverse belt conveyor; a loader-digger in the two longitudinal roadways is used for respectively placing dug gangues on the longitudinal belt conveyor in respective longitudinal roadway; the longitudinal belt conveyor in one longitudinal roadway is used for conveying the gangues to the other longitudinal belt conveyor by virtue of the turning mechanisms and the transverse belt conveyor; the gangues on the longitudinal belt conveyors enter a gangue bin through a gangue discharge chute; and the gangues in the gangue bin are transported out by virtue of a tramcar gangue separating device and a tramcar. According to the common gangue removal method and the common gangue removal system, one set of gangue removal equipment is shared, and a full-section glaze primary blasting technology is matched, so that integration of gangue raking, gangue loading and gangue transporting is realized, and therefore, a roadway advance rate is increased and working efficiency is improved.
Description
technical field:
The present invention relates to the system and method that a kind of mine development end spoil is discharged, particularly relate to the two rock gangway in a kind of colliery and share discharge refuse method and system.
background technology:
At present, domestic stone drifting is still based on drill eye blasting technique, tunnel drilling and blasting method construction technology mainly comprises perforating, blows out, harrows dress, supporting, transport etc., wherein perforating, blow out, harrow dress, transport operation shared by the time account for more than 75% of net cycle time, its efficiency directly affects the driving speed in tunnel, based on this, how to improve blasting technology, raising rake dress efficiency, improve travelling speed, the efficient construction realizing tunnel has become the crucial major issue that current raising drivage efficiency is badly in need of solution.North, colliery, the Chen Si building wing-640m track, belt sub-inclined shaft, inclination angle comparatively large (18 °, 16.5 °), adopt conventional method, two tunnel opening up individuallies, progress is comparatively slow, and going out cash respectively, to take the whole working procedure time longer, and waste bin need be set respectively, personnel, equipment, engineering is caused to drop into comparatively large, once mine car supply is not in time, serious restriction discharge refuse speed.
In addition, under traditional approach, the discharge of spoil mainly adopts scraper mucking to coordinate mine car in single tunnel, traditional go out cash mode belong to be interrupted discontinuous go out cash form, go out cash and just can not fall cash, dress, fortune can only separate single file operation, going out cash, to take time of whole working procedure longer, and this go out cash mode be subject to the restriction of mine car supply.Once mine car supply is not gone up, the whole excavation operation met head in tunnel must stop, and seriously governs the driving speed in tunnel.
summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, provide a kind of reasonable in design, efficiency is high, safety good and the two rock gangway in colliery easily implemented shares discharge refuse method and system.
Technical scheme of the present invention is:
The two rock gangway in a kind of colliery shares discharge refuse method, comprises the following steps:
A, a horizontal connection roadway is set between two adjacent longitudinal tunnels, and is respectively arranged with longitudinal belt conveyer and horizontal belt conveyor in longitudinal tunnel and horizontal connection roadway;
B, arrange a turning mechanism respectively at the two ends of horizontal belt conveyor, the input and output material direction of two turning mechanisms is contrary, and one is left-hand turning mechanism, and another is dextrad turning mechanism;
C, between a longitudinal tunnel and main haulage roadway, arrange discharge refuse chute and waste bin, below the outlet of waste bin, arrange mine car divide cash device, mine car divides the below of cash device to arrange mine car;
The spoil of excavation is placed on the longitudinal belt conveyer in respective longitudinal tunnel by loader-digger in d, two longitudinal tunnels respectively, wherein, spoil is transported on another longitudinal belt conveyer by turning mechanism and horizontal belt conveyor by the longitudinal belt conveyer in a longitudinal tunnel, spoil on this longitudinal belt conveyer enters waste bin by discharge refuse chute, and the spoil in waste bin divides cash device and mine car to be transported by mine car.
Turning mechanism comprises forward curved groove and rear turning groove, guiding and detent mechanism are provided therebetween, and, the below of forward curved groove is provided with front support stand, the below of rear turning groove is provided with rear support stand, between rear support stand and rear turning groove, is provided with bulb and ball-and-socket and stopper slot and contiguous block.
The creeper tread of loader-digger arranges splayed grouser plate, and grouser plate is increased, increase the adaptive capacity of caterpillar type loader digger for high inclination-angle tunnel.
Waste bin center line does not overlap with longitudinal center line in roadway, and, the direction of going down the hill of waste bin buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbed the top board degree of depth and be not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin.
The two rock gangway in a kind of colliery shares waste stone exhaust system, containing two longitudinal belt conveyers, two longitudinal belt conveyers lay respectively in two adjacent longitudinal tunnels, horizontal connection roadway is provided with between two described longitudinal tunnels, horizontal belt conveyor is provided with in described horizontal connection roadway, the two ends of described horizontal belt conveyor are respectively arranged with a turning mechanism, the input and output material direction of two described turning mechanisms is contrary, between a described longitudinal tunnel and main haulage roadway, discharge refuse chute and waste bin are set, mine car is set below the outlet of described waste bin and divides cash device, described mine car divides the below of cash device to arrange mine car, the spoil of excavation is placed on the longitudinal belt conveyer in respective longitudinal tunnel by loader-digger in two longitudinal tunnels respectively, wherein, spoil is transported on another longitudinal belt conveyer by turning mechanism and horizontal belt conveyor by the longitudinal belt conveyer in a longitudinal tunnel, spoil on this longitudinal belt conveyer enters waste bin by discharge refuse chute, spoil in waste bin divides cash device and mine car to be transported by mine car.
Described turning mechanism comprises forward curved groove and rear turning groove, and the two connects together and is provided with guiding mechanism and detent mechanism, and the below of described forward curved groove is provided with front support stand, and the below of described rear turning groove is provided with rear support stand.
Described front support stand and rear support stand include the column of both sides and middle transverse slat, and wherein, the described transverse slat of described front support stand is provided with gripper shoe, the upper end of described gripper shoe is fixedly connected with described forward curved groove; The described transverse slat of described rear support stand is provided with fixed cover, expansion link is set with in described fixed cover, trip bolt is provided therebetween, and described expansion link is connected with junction plate by bulb ball-and-socket, and described junction plate is set with in the stopper slot that the bottom surface of groove of turning in the rear is arranged; Described guiding mechanism is the convex and arc groove of arc strip, and be separately positioned on the contact surface of described forward curved groove and rear turning groove, described detent mechanism is connecting bolt.
The crawler belt base plate of described loader-digger is provided with splayed grouser plate, is provided with gusset between adjacent described grouser plate, described grouser plate hight, in described gusset, increases the adaptive capacity of caterpillar type loader digger for high inclination-angle tunnel.
The waste bin center line of described waste bin does not overlap with longitudinal center line in roadway, and, the direction of going down the hill of described waste bin buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbed the top board degree of depth and be not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin.
Described mine car divides cash device to contain the supporting leg of both sides, the supporting leg upper end of the same side is provided with longeron, described longeron is provided with track, the described track of both sides arranges roller respectively, described roller is connected with one end of an adjustable shelf respectively by wheel carrier, the other end of this adjustable shelf is connected with a face guard, waste rock board is provided with between two described face guards, the lateral surface of face guard described in each is all arranged two claws, middle part and the described face guard of described claw are hinged, the inner of described claw is connected with telescopic oil cylinder, the lower end of described telescopic oil cylinder is arranged on described adjustable shelf, described face guard or adjustable shelf are connected with Shift cylinder, the inner side of described face guard is provided with interior lining panel, stiffener is provided with between described column and longeron.
The invention has the beneficial effects as follows:
1, the present invention adopts the configuration of " two parallel roadwayses, connection roadway, shared discharge refuse belt, waste rock discharge device, waste bin, mine car ", equipment shares one and extracts cash equipment, personnel can reduce less important work personnel amount, this fit on tunneling boring light face onepull technology, realize rake cash, dress cash, the integration of fortune cash, improve tunnelling speed and work work efficiency, reduce further operating cost.
2, turning mechanism of the present invention comprises forward curved groove and rear turning groove, the two can mutually move and locate, thus realizes angle and the length of turning, is convenient to timely discharge refuse, convex and the arc groove of arc strip is provided therebetween in addition, can locates well and lead.
The rear support of 3, turning mechanism of the present invention is provided with bulb and ball-and-socket, can multi-facetedly rotates, groove of turning after more can balancing, reduce regulation time, increase work efficiency.
4, waste bin center line of the present invention does not overlap with center line in roadway, be conducive to storage spoil and discharge spoil, and, the direction of going down the hill of waste bin buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbeds the top board degree of depth and is not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin.
5, the track plate structure that the present invention is directed to loader-digger crawler belt improves, creeper tread after improvement adopts two " eight " word structure, and the grouser of creeper tread is increased, creeper tread grouser is increased to 30mm, increase the adaptive capacity of caterpillar type loader digger for high inclination-angle tunnel, good antiskid effect.
6, mine car of the present invention divides the claw of cash device to put down, and grabs steady front and back mine car and blocks two mine car gaps, and the spoil shunting that waste rock board causes to fall and break drops in two mine cars, and efficiency is high and Anti-scattering is effective.
7, mine car of the present invention divides the wheel carrier lower end of cash device to comprise guide rail, and can prevent roller from coming off from guide rail, in addition, be provided with stiffener between supporting leg and longeron, improve the intensity of whole bracing frame, safety is good.
8, the present invention is reasonable in design, efficiency is high, safety is good and easily implement, and it is applied widely, is easy to promotion and implementation, and economic benefit is obvious.
accompanying drawing illustrates:
Fig. 1 is the structural representation that the two rock gangway in colliery shares waste stone exhaust system;
Fig. 2 is the structural representation of spoil turning mechanism in Fig. 1;
Fig. 3 is A direction view in Fig. 2;
Fig. 4 is B direction view in Fig. 2;
Fig. 5 is the structural representation of waste bin in Fig. 1;
Fig. 6 is the structural representation of the skid track of loader-digger in Fig. 1;
Fig. 7 is the structural representation that in Fig. 1, mine car divides cash device;
Fig. 8 is the lateral view that in Fig. 7, mine car divides cash device.
detailed description of the invention:
Embodiment: see Fig. 1-Fig. 8, in figure, 1-loader-digger, the longitudinal tunnel of 2-, 3-longitudinal belt conveyer, 4-turning mechanism, the horizontal belt conveyor of 5-, the horizontal connection roadway of 6-, 7-discharge refuse chute, 8-waste bin, 9-main haulage roadway, 10-mine car, 11-mine car divides cash device, 12-inclined gallery, 15-crawler belt base plate, 16-grouser plate, 17-gusset, 18-junction plate, 19-through hole, 20-axis hole, 21-pillar, 22-transverse slat, 23-forward curved groove, 24-arc strip is convex, to turn after 25-groove, 26-contiguous block, 27-bulb ball-and-socket, 28-expansion link, 29-fixed cover, 30-gripper shoe, 31-buries solid plate, 32-feed opening, 33-fixed station, 34-warehouse, 35-gap, 36-top cover, the longitudinal center line in roadway of 37-, 38-waste bin center line, 40-supporting leg, 41-stiffener, 42-longeron, 43-guide rail, 44-face guard, 45-claw, 46-bearing pin, 47-waste rock board, 48-telescopic oil cylinder, 49-adjustable shelf, 50-roller, 51-wheel carrier, 52-interior lining panel.
The two rock gangway in colliery shares waste stone exhaust system, containing two longitudinal belt conveyers 3, two longitudinal belt conveyers 3 lay respectively in two adjacent longitudinal tunnels 2, wherein: between two longitudinal tunnels 2, be provided with horizontal connection roadway 6, horizontal belt conveyor 5 is provided with in horizontal connection roadway 6, the two ends of horizontal belt conveyor 5 are respectively arranged with a turning mechanism 4, the input and output material direction of two turning mechanisms 4 is contrary, one is left-hand turning mechanism, another is dextrad turning mechanism, between a longitudinal tunnel 2 and main haulage roadway 9, discharge refuse chute 7 and waste bin 8 are set, mine car is set below the outlet of waste bin 8 and divides cash device 11, mine car divides the below of cash device 11 to arrange mine car 10, the spoil of excavation is placed on the longitudinal belt conveyer 3 in respective longitudinal tunnel 2 by loader-digger 1 in two longitudinal tunnels 2 respectively, wherein, spoil is transported on another longitudinal belt conveyer 3 by turning mechanism 4 and horizontal belt conveyor 5 by the longitudinal belt conveyer 3 in a longitudinal tunnel 2, spoil on this longitudinal belt conveyer 3 enters waste bin 8 by discharge refuse chute 7, spoil in waste bin 8 divides cash device 11 and mine car 10 to be transported by mine car.
Turning mechanism 4 comprises forward curved groove 23 and rear turning groove 25, and the two connects together and is provided with guiding mechanism and detent mechanism, and the below of forward curved groove 23 is provided with front support stand, and the below of rear turning groove 25 is provided with rear support stand.
Front support stand and rear support stand include the column 21 of both sides and middle transverse slat 22, and wherein, the transverse slat 22 of front support stand is provided with gripper shoe 30, the upper end of gripper shoe 30 is fixedly connected with forward curved groove 23 (screw can be adopted to be connected); The transverse slat 22 of rear support stand is provided with fixed cover 29, the flexible height that expansion link 28(can change expansion link 28 is set with) in fixed cover 29, trip bolt is provided therebetween, expansion link 28 is connected with junction plate 26 by bulb ball-and-socket 27, and junction plate 26 is sleeved in the stopper slot that the bottom surface of rear turning groove 25 is arranged; Guiding mechanism is arc strip convex 24 and arc groove, and be separately positioned on the contact surface of forward curved groove 23 and rear turning groove 25, detent mechanism is connecting bolt.
The crawler belt base plate 15 of loader-digger 1 is provided with splayed grouser plate 16, gusset 17 is provided with between adjacent grouser plate 16, grouser plate 16 is higher than gusset 17, increase caterpillar type loader digger for the adaptive capacity in high inclination-angle tunnel, crawler belt base plate 15 is also provided with junction plate 18, through hole 19 and axis hole 20.
Waste bin 8 comprises warehouse 34, warehouse 34 waste bin center line 38 do not overlap with longitudinal center line in roadway 37, the upper end of warehouse 34 is provided with top cover 36, this top cover 36 is centered by longitudinal center line in roadway 37, the side of top cover 36 is connected with the side of warehouse 34, gap 35 is left between the opposite side of top cover 36 and the opposite side of warehouse 34, the lower end of warehouse 34 is provided with feed opening, the lower external face of warehouse 34 is provided with fixed station 33, the bottom of warehouse 34 is provided with buries solid plate 31, improve steadiness, and, the direction of going down the hill of waste bin 8 buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbed the top board degree of depth and be not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin 8.
Mine car divides the supporting leg 40 of cash device 11 containing both sides, supporting leg 40 upper end of the same side is provided with longeron 42, longeron 42 is provided with track 43, the track 43 of both sides arranges roller 50 respectively, roller 50 is connected with one end of an adjustable shelf 49 respectively by wheel carrier 51, the other end of this adjustable shelf 49 is connected with a face guard 44, waste rock board 47 is provided with between two face guards 44, the lateral surface of each face guard 44 is all arranged two claws 45, middle part and the face guard 44 of claw 45 are hinged, the inner of claw 45 is connected with telescopic oil cylinder 48, the lower end of telescopic oil cylinder 48 is arranged on adjustable shelf 49, face guard 44 or adjustable shelf 49 are connected with Shift cylinder (not shown in FIG.), the inner side of face guard 44 is provided with interior lining panel 52, stiffener 41 is provided with between column 40 and longeron 42.Wheel carrier 51 lower end comprises guide rail 43, can prevent roller 50 from coming off from guide rail 43.The quantity of the roller 50 of every side is two, and the inner of the claw 45 of the same side is all hinged with the piston rod of telescopic oil cylinder 48.
When arriving in mine car 10 gap, drive claw 45 to transfer by telescopic oil cylinder 48, two claws 45 are stuck on two mine car 10 edges, and the spoil in waste bin 8 is wandered waste rock board 47 from feed opening 32, and then make spoil shunting enter in two mine cars 10; When entrucking is complete, telescopic oil cylinder 48 makes claw 45 open to depart from mine car 10, complete a working cycles.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. the two rock gangway in colliery shares a discharge refuse method, comprises the following steps:
A, a horizontal connection roadway is set between two adjacent longitudinal tunnels, and is respectively arranged with longitudinal belt conveyer and horizontal belt conveyor in longitudinal tunnel and horizontal connection roadway;
B, arrange a turning mechanism respectively at the two ends of horizontal belt conveyor, the input and output material direction of two turning mechanisms is contrary, and one is left-hand turning mechanism, and another is dextrad turning mechanism;
C, between a longitudinal tunnel and main haulage roadway, arrange discharge refuse chute and waste bin, below the outlet of waste bin, arrange mine car divide cash device, mine car divides the below of cash device to arrange mine car;
The spoil of excavation is placed on the longitudinal belt conveyer in respective longitudinal tunnel by loader-digger in d, two longitudinal tunnels respectively, wherein, spoil is transported on another longitudinal belt conveyer by turning mechanism and horizontal belt conveyor by the longitudinal belt conveyer in a longitudinal tunnel, spoil on this longitudinal belt conveyer enters waste bin by discharge refuse chute, and the spoil in waste bin divides cash device and mine car to be transported by mine car.
2. the two rock gangway in colliery according to claim 1 shares discharge refuse method, it is characterized in that: turning mechanism comprises forward curved groove and rear turning groove, guiding and detent mechanism are provided therebetween, and, the below of forward curved groove is provided with front support stand, the below of rear turning groove is provided with rear support stand, between rear support stand and rear turning groove, is provided with bulb and ball-and-socket and stopper slot and contiguous block.
3. the two rock gangway in colliery according to claim 1 shares discharge refuse method, it is characterized in that: on the creeper tread of loader-digger, arrange splayed grouser plate, and increased by grouser plate, increases the adaptive capacity of caterpillar type loader digger for high inclination-angle tunnel.
4. the two rock gangway in colliery according to claim 1 shares discharge refuse method, it is characterized in that: waste bin center line does not overlap with longitudinal center line in roadway, and, the direction of going down the hill of waste bin buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbeds the top board degree of depth and is not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin.
5. the two rock gangway in colliery shares waste stone exhaust system, containing two longitudinal belt conveyers, two longitudinal belt conveyers lay respectively in two adjacent longitudinal tunnels, it is characterized in that: between two described longitudinal tunnels, be provided with horizontal connection roadway, horizontal belt conveyor is provided with in described horizontal connection roadway, the two ends of described horizontal belt conveyor are respectively arranged with a turning mechanism, the input and output material direction of two described turning mechanisms is contrary, between a described longitudinal tunnel and main haulage roadway, discharge refuse chute and waste bin are set, mine car is set below the outlet of described waste bin and divides cash device, described mine car divides the below of cash device to arrange mine car, the spoil of excavation is placed on the longitudinal belt conveyer in respective longitudinal tunnel by loader-digger in two longitudinal tunnels respectively, wherein, spoil is transported on another longitudinal belt conveyer by turning mechanism and horizontal belt conveyor by the longitudinal belt conveyer in a longitudinal tunnel, spoil on this longitudinal belt conveyer enters waste bin by discharge refuse chute, spoil in waste bin divides cash device and mine car to be transported by mine car.
6. the two rock gangway in colliery according to claim 5 shares waste stone exhaust system, it is characterized in that: described turning mechanism comprises forward curved groove and rear turning groove, the two connects together and is provided with guiding mechanism and detent mechanism, the below of described forward curved groove is provided with front support stand, and the below of described rear turning groove is provided with rear support stand.
7. the two rock gangway in colliery according to claim 6 shares waste stone exhaust system, it is characterized in that: described front support stand and rear support stand include the column of both sides and middle transverse slat, wherein, the described transverse slat of described front support stand is provided with gripper shoe, and the upper end of described gripper shoe is fixedly connected with described forward curved groove; The described transverse slat of described rear support stand is provided with fixed cover, expansion link is set with in described fixed cover, trip bolt is provided therebetween, and described expansion link is connected with junction plate by bulb ball-and-socket, and described junction plate is set with in the stopper slot that the bottom surface of groove of turning in the rear is arranged; Described guiding mechanism is the convex and arc groove of arc strip, and be separately positioned on the contact surface of described forward curved groove and rear turning groove, described detent mechanism is connecting bolt.
8. the two rock gangway in colliery according to claim 5 shares waste stone exhaust system, it is characterized in that: the crawler belt base plate of described loader-digger is provided with splayed grouser plate, gusset is provided with between adjacent described grouser plate, described grouser plate hight, in described gusset, increases the adaptive capacity of caterpillar type loader digger for high inclination-angle tunnel.
9. the two rock gangway in colliery according to claim 5 shares waste stone exhaust system, it is characterized in that: the waste bin center line of described waste bin does not overlap with longitudinal center line in roadway, and, the direction of going down the hill of described waste bin buries i iron underground as gear cash hurdle, i iron spacing 300mm, imbeds the top board degree of depth and is not less than 200mm, imbed bottom plate depth and be not less than 500mm, and be bolted, this anatomical connectivity can realize the effectively fixing of waste bin.
10. the two rock gangway in colliery according to claim 5 shares waste stone exhaust system, it is characterized in that: described mine car divides cash device to contain the supporting leg of both sides, the supporting leg upper end of the same side is provided with longeron, described longeron is provided with track, the described track of both sides arranges roller respectively, described roller is connected with one end of an adjustable shelf respectively by wheel carrier, the other end of this adjustable shelf is connected with a face guard, waste rock board is provided with between two described face guards, the lateral surface of face guard described in each is all arranged two claws, middle part and the described face guard of described claw are hinged, the inner of described claw is connected with telescopic oil cylinder, the lower end of described telescopic oil cylinder is arranged on described adjustable shelf, described face guard or adjustable shelf are connected with Shift cylinder, the inner side of described face guard is provided with interior lining panel, stiffener is provided with between described column and longeron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877798.2A CN105401951B (en) | 2015-12-04 | 2015-12-04 | The double rock gangways in colliery share discharge refuse method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877798.2A CN105401951B (en) | 2015-12-04 | 2015-12-04 | The double rock gangways in colliery share discharge refuse method and system |
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| Publication Number | Publication Date |
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| CN105401951A true CN105401951A (en) | 2016-03-16 |
| CN105401951B CN105401951B (en) | 2017-12-22 |
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| CN201510877798.2A Expired - Fee Related CN105401951B (en) | 2015-12-04 | 2015-12-04 | The double rock gangways in colliery share discharge refuse method and system |
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| CN106089232A (en) * | 2016-07-28 | 2016-11-09 | 永城煤电控股集团有限公司 | Automatically go out cash system continuously |
| CN108547658A (en) * | 2018-03-20 | 2018-09-18 | 四川省安全科学技术研究院 | A kind of high inclination-angle ultra-thin coal seam spoil is from slipping backfilling goaf method |
| CN109281706A (en) * | 2018-08-15 | 2019-01-29 | 国家能源投资集团有限责任公司 | Tunnel method for cleaning |
| CN109915164A (en) * | 2019-03-01 | 2019-06-21 | 北京市轨道交通建设管理有限公司 | A kind of soil body conveyer method of tunnel connection channel |
| CN113309535A (en) * | 2021-06-21 | 2021-08-27 | 中铁工程装备集团有限公司 | Combined continuous belt conveyor slag discharging system |
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| CN109915164A (en) * | 2019-03-01 | 2019-06-21 | 北京市轨道交通建设管理有限公司 | A kind of soil body conveyer method of tunnel connection channel |
| CN109915164B (en) * | 2019-03-01 | 2020-06-19 | 中铁十四局集团有限公司 | Soil body transferring method for tunnel contact channel |
| CN113309535A (en) * | 2021-06-21 | 2021-08-27 | 中铁工程装备集团有限公司 | Combined continuous belt conveyor slag discharging system |
| CN113309535B (en) * | 2021-06-21 | 2022-03-22 | 中铁工程装备集团有限公司 | Combined continuous belt conveyor slag discharging system |
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| CN105401951B (en) | 2017-12-22 |
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