CN203978432U - Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan nation - Google Patents
Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan nation Download PDFInfo
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- CN203978432U CN203978432U CN201420392749.0U CN201420392749U CN203978432U CN 203978432 U CN203978432 U CN 203978432U CN 201420392749 U CN201420392749 U CN 201420392749U CN 203978432 U CN203978432 U CN 203978432U
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Abstract
Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan of the utility model nation, belongs to coal-winning machine design applied technical field; A kind of unmanned coal face mining equipment and method that improves coal mining efficiency is provided; Comprise frame assembly, running gear, Electronic Control Assembly, hydraulic pressure assembly, drilling tool assembly, ventilation installation, propelling arm assembly, advance arm propulsion plant, advance arm docking push unit and coal conveyer, drilling tool assembly comprises drill bit, transmission case, coal-winning machine motor and coal winning machine's speed reducer, also comprise gamma ray detection instrument, firedamp sensor and hoist cylinder, gamma ray detection instrument and firedamp sensor are positioned on the transmission case of drilling tool assembly, one end of hoist cylinder connects with shovel bucket, and the other end connects with the rocking arm on drilling tool assembly; The utility model is mainly used in the coal mining aspect of Lu Jingduan nation.
Description
Technical field
Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan of the utility model nation, belongs to coal-winning machine design applied technical field.
Background technology
Have a large amount of coal resources such as shallow earth's surface coal, hillside crop coal and the open coal mine end nation of One's name is legion in coal production bases such as China northern Shensi Shen Fu, Ordos, inner Mongolias.Be subject to the restriction of domestic current production technique condition and economic rationality, the most abandoned of these coal resources or carry out back production with the big gun forewinning pillar method of working of the lower rate of extraction, not only waste resource, and there is the problems such as spontaneous combustion of coal seam hidden danger, destruction surface vegetation, contaminated environment, be therefore necessary to be improved.
Utility model content
In order to overcome the deficiencies in the prior art, provide a kind of unmanned coal face mining equipment and method that improves coal mining efficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
Certainly a formula coal-winning machine is bored in the walking of Lu Jingduan nation, comprises frame assembly, running gear, Electronic Control Assembly, hydraulic pressure assembly, drilling tool assembly, ventilation installation, advance arm assembly, advance arm propulsion plant, advance arm docking push unit and coal conveyer, frame assembly comprises running gear, advance arm propulsion plant, advance arm docking push unit, vehicle frame lifting gear and telescopic oil cylinder, frame assembly connects by the vehicle frame lifting gear being connected and fixed on device and running gear, running gear comprises running gear hydraulic motor and crawler belt, Electronic Control Assembly and hydraulic pressure assembly connect with frame assembly by bearing pin respectively, drilling tool assembly is by advancing arm assembly to connect with advancing arm propulsion plant, ventilation installation is positioned at a side that advances arm assembly, and the opposite side of propelling arm assembly has to be prevented pounding groove, and drilling tool assembly comprises drill bit, transmission case, coal-winning machine motor and coal winning machine's speed reducer, also comprise gamma ray detection instrument, firedamp sensor and hoist cylinder, gamma ray detection instrument and firedamp sensor are positioned on the transmission case of drilling tool assembly, and one end of hoist cylinder connects with shovel bucket, and the other end connects with the rocking arm on drilling tool assembly.
There is shovel bucket described drilling tool assembly lower end, and shovel bucket one end connects with advancing arm assembly, is fixed with drag conveyor and star-wheel collecting mechanism on shovel bucket.
Described drag conveyor comprises scrapper conveyor hydraulic motor, scrapper conveyor tensioning apparatus and scrapper conveyor tail wheel, and scrapper conveyor hydraulic motor and scrapper conveyor tensioning apparatus are positioned at the rear end of drag conveyor, and scrapper conveyor tail wheel is positioned at the front end of drag conveyor.
Described star-wheel collecting mechanism is positioned at the scrapper conveyor tail wheel both sides of drag conveyor.
Described star-wheel collecting mechanism comprises the star-wheel that at least one composition is right, and each star-wheel has three blades at least.
Described coal conveyer comprises mobile spiral conveyer and portable belt conveyer.
Described mobile spiral conveyer comprises screwdriven device and conveying worm, and conveying worm lower end one side has screwdriven device.
Described portable belt conveyer comprises conveyor running gear, belt conveyor, telescopic column, rotating circular disk and round funnel, there is rotating circular disk conveyor running gear upper end, rotating circular disk connects with belt conveyor by telescopic column, round funnel is placed in the rear end of portable belt conveyer, connects with one end of conveying worm.
Portable belt conveyer connects with frame assembly by mobile spiral conveyer.
Described Electronic Control Assembly and hydraulic pressure assembly are provided with and are wheeledly connected from walking arrangement and with frame assembly by bearing pin respectively.
Described propelling arm assembly includes more piece and advances arm, and advancing between arm is detachable connection.
The beneficial effect that the utility model compared with prior art had is:
1, safety: coal-winning machine system of the present utility model is taking safety in production as prerequisite, operation is only controlled and need be completed on the ground of well head outside, enters tunnel without personnel, and per tour only needs 3-6 people, full ore deposit production staffing approximately 30 people, to complete the mining operations of complete equipment and all working of maintenance;
2, efficient: employment is few, output is high, widely applicable, the ultra-thin coal seam that can be used for reclaiming high value;
3, advanced person: the utility model is equipped with human-machine intelligence operating system, continuous circulation operation that can the whole equipment of comprehensive control by personnel, surveillance equipment operating mode is also carried out fault diagnosis, by powerful power and flexibly function be combined as a whole;
4, economy: be conducive to the recovery of coal resources, without supporting and build in a large number ore deposit task dispatching, total cost is low;
5, environmental protection: low to earth's surface vegetation deterioration degree, meet national resources, environmental policy.
Brief description of the drawings
Below by accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 is top view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is lateral view of the present utility model;
Fig. 4 a is drilling tool assembly work schematic diagram;
Fig. 4 b is drilling tool assembly bottom drag conveyor schematic diagram;
Fig. 4 c is drilling tool assembly schematic diagram;
Fig. 5 a is for advancing arm assembly top view;
Fig. 5 b is for advancing arm assembly lateral view;
Fig. 6 is the utility model work schematic diagram;
Fig. 7 is the utility model exploitation site layout project figure.
In figure, 1 is frame assembly, 2 is running gear, 3 is Electronic Control Assembly, 4 is hydraulic pressure assembly, 5 is drilling tool assembly, 6 is ventilation installation, 7 for advancing arm assembly, 8 for advancing arm propulsion plant, 9 for advancing arm docking push unit, 10 is coal conveyer, 11 is drill bit, 12 is transmission case, 13 is drag conveyor, 14 is coal-winning machine motor, 15 is coal winning machine's speed reducer, 16 is scrapper conveyor hydraulic motor, 17 is left-hand screw, 18 is right-hand screw, 19 is running gear hydraulic motor, 20 is crawler belt, 21 is propelling cylinder, 22 is armouring disk, 23 is telescopic oil cylinder, 24 is spiral positioning post, 25 for boring in hydraulic pressure base, 26 is gamma survey meter, 27 is firedamp sensor, 28 is the axis of guide, 29 is vehicle frame lifting gear, 30 is the device that is connected and fixed, 31 is screw motor, 32 is spiral coupling device, 33 is spiral reductor, 34 is conveying worm, 35 is oblique adjusting oil cylinder, 36 is hoist cylinder, 37 is star-wheel collecting mechanism, 38 is scrapper conveyor tail wheel, 39 is scrapper conveyor tensioning apparatus, 40 is scrapper conveyor hydraulic motor, 41 is shovel bucket, 42 is the anti-groove of pounding, 43 is rotating circular disk, 44 is telescopic column, 45 is conveyor running gear, 46 is belt conveyor, 47 is round funnel, 48 is screwdriven device.
Detailed description of the invention
The utility model will be further described by reference to the accompanying drawings for embodiment below.
As Fig. 1, shown in Fig. 2 and Fig. 3, certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan nation, comprise frame assembly 1, running gear 2, Electronic Control Assembly 3, hydraulic pressure assembly 4, drilling tool assembly 5, ventilation installation 6, advance arm assembly 7, advance arm propulsion plant 8, advance arm docking push unit 9 and coal conveyer 10, frame assembly 1 comprises running gear 2, advance arm propulsion plant 8, advance arm docking push unit 9, vehicle frame lifting gear 29 and telescopic oil cylinder 23, frame assembly 1 connects by the vehicle frame lifting gear 29 being connected and fixed on device 30 and running gear 2, running gear 2 comprises running gear hydraulic motor 19 and crawler belt 20, Electronic Control Assembly 3 and hydraulic pressure assembly 4 are provided with and are wheeledly connected with frame assembly 1 from walking arrangement by bearing pin respectively, drilling tool assembly 5 is by advancing arm assembly 7 to connect with advancing arm propulsion plant 8, drilling tool assembly 5 and advance the propelling and exiting by the hydraulic drive arm propulsion plant 8 being arranged on frame assembly 1 of arm assembly 7 to complete.
As shown in Fig. 5 a and Fig. 5 b, ventilation installation 6 is positioned at a side that advances arm assembly 7, advance the opposite side of arm assembly 7 to have the anti-groove 42 of pounding, power cable, firedamp sensor signal cable, hydraulic tube, water pipe, coal and rock identify sensor (gamma ray signal cable) philosophy are installed in totally enclosed sheathed structure, by hydraulic-driven armouring garden dish 22, along with the propelling of drilling tool assembly 5 with exit along anti-groove 42 automatic deploying and retractings of pounding that advance arm assembly 7 sides.
As Fig. 4 a, shown in 4b and 4c, drilling tool assembly 5 comprises drill bit 11, transmission case 12, coal-winning machine motor 14 and coal winning machine's speed reducer 15, also comprise gamma ray detection instrument 26, firedamp sensor 27 and hoist cylinder 36, gamma ray detection instrument 26 is positioned on the sensor 12 of drilling tool assembly 5, Main Function is to survey top coal thickness, computer is according to the top coal thickness of surveying, control hoist cylinder 36, make drill bit 11 on drilling tool assembly 5 according to the thickness self adaptation cut in coal seam, simultaneously, prevent that drill bit 11 cuts are to seam roof and base plate, strengthen top board and backplanes support, thereby avoid rock or other foreign material to sneak into the situation of clean coal, firedamp sensor 27 is positioned on the transmission case 12 of drilling tool assembly 5, for the concentration of gas in tunnel is monitored, one end of hoist cylinder 36 connects with shovel bucket 41, and the other end connects with the rocking arm on drilling tool assembly 5, and drill bit assembly 5 cutting heights can regulate by hoist cylinder 36, to adapt to the variation of coal seam thickness, described drill bit 11 is modular design, can change fast, has 3 kinds of selections, bit diameter respectively: 55,65,85cm.
There is shovel bucket 41 described drilling tool assembly 5 lower ends, and shovel bucket 41 is dust pan shape, and shovel bucket 41 one end connect with advancing arm assembly 7, are fixed with drag conveyor 13 and star-wheel collecting mechanism 37 on shovel bucket 41.
Described drag conveyor 13 comprises scrapper conveyor hydraulic motor 40, scrapper conveyor tensioning apparatus 39 and scrapper conveyor tail wheel 38, scrapper conveyor hydraulic motor 40 and scrapper conveyor tensioning apparatus 39 are positioned at the rear end of drag conveyor 13, and scrapper conveyor tail wheel 38 is positioned at the front end of drag conveyor 13.
Described star-wheel collecting mechanism 37 is positioned at scrapper conveyor tail wheel 38 both sides of drag conveyor 13, is used for coal to deliver on drag conveyor 13.
As shown in Figure 6 and Figure 7, described coal conveyer 10 comprises mobile spiral conveyer and portable belt conveyer.
Described mobile spiral conveyer comprises screwdriven device 48 and conveying worm 34, and conveying worm 34 lower end one sides have screwdriven device 48.
Described portable belt conveyer comprises conveyor running gear 45, belt conveyor 46, telescopic column 44, rotating circular disk 43 and round funnel 47, there is rotating circular disk 43 conveyor running gear 45 upper ends, rotating circular disk 43 connects with belt conveyor 46 by telescopic column 44, round funnel 47 is placed in the rear end of portable belt conveyer, connects with one end of conveying worm 34; Portable belt conveyer can be walked by conveyor running gear 45, also can regulate height by telescopic column 44 according to actual conditions, can also pass through rotating circular disk 43 left rotation and right rotation, the coal cinder collecting is reprinted on haulage vehicle or another belt conveyor 46.
The utility model combines tradition end nation coal-mining technique advantage, a large amount of new technologies of using, system adopts integrated, modularization, the Automation Design, there is processing ease, safeguard simple, production efficiency is high, can peel off on the step forming after the cap rock of appearing and exploit at shallow earth's surface, crop coal, also can distribute according to coal seam, around crop coal, exploit, can also carry out gully exploitation along the tendency in coal seam.Its essence is: adopt the pillar method exploitation of coal drilling machine lane in the outside in hillside crop coal, outdoor end nation coal seam, ensure face safety by reserved coal pillar, overlying strata soil layer load in support, excavation operation as continuous miner at well industrial and mineral is that this mode equipment personnel are all operated in ground and complete.
It is good that the utility model is applicable to exploit coal body supportive, roof and floor is stable, coal seam is smooth, fluctuating is no more than the coal seam of 0.7 meter-3 meters of 5 degree-12 degree, thickness, the key of coal-mining method success application is the appropriate design of coal column, coal column mainly contains temporary supporting coal column and permanent sequestration coal column two classes, coal pillar width design consider because have the thickness of upper overlying strata soil layer (peel ply) and density thereof, the width in forewinning design tunnel, in situ strength, coal seam thickness and mining height, coal column the ratio of width to height etc. of coal and rock.For the supported laneway that ensures that coal column can be stable in recovery process, the thicker coal pillar width of establishing that stays in coal seam also should be larger, and the ratio of width to height of coal column is too small, and stability of coal pillar is poor, enabling capabilities is also lower.Coal pillar width and aspect ratio are larger, and coal column is more stable, and enabling capabilities is also higher, if but coal column stay and establish the wide rate of extraction that will reduce coal resources of width.Therefore, can according to being approximately equal to, coal is thick to be calculated in the time of estimation Coal Pillar Design width, final Coal Pillar Design width should be further by Experiments of Machanics, set up mechanical model and carry out Analysis deterrmination.Coal Pillar Design width need to meet following two necessary conditions simultaneously: the one, and utilize Mark-Bienawski formula to calculate, meet safety factor requirement; The 2nd, the width of coal column should at least reach 70% coal column height.
1, temporary supporting Coal Pillar Design calculates.Be used for calculative determination pillar strength with Mark-Bieniawski formula, its formula is suc as formula (1):
When the length of coal column exceedes certain limit, the Part II of Mark-Bieniawski formula can be reduced to 0, Mark-Bieniawski formula can be reduced to formula (2):
From formula (2), can find out that coal mass strength is higher, coal column is just less, and the rate of extraction is just higher.In calculating, generally using safety factor is 1.5.Meanwhile, according to the requirement of the formula of boring coal-winning machine equipment exploitation Coal Pillar Design, the width of coal column should at least reach 70% coal column height.The safety factor that this coal column uses is at least 1.
2, permanent sequestration Coal Pillar Design calculates
Permanent sequestration coal pillar width is 3-4 times of supporting coal pillar width, can prevent the domino effect that massif caves in.Generally, every 10 to 20 supporting coal pillars, arrange permanent sequestration coal column.Although permanent coal pillar makes the rate of extraction reduce some, greatly reduces danger coefficient, reduce the loss that risk causes.
Operating principle of the present utility model is:
The utility model adopts the technique of unidirectional drilling, main frame and auxiliary equipment are arranged in crop coal and peel off on the step forming after the cap rock of appearing or along exploiting in the gully of bearing excavation, when exploitation, first the hand-operated valve duty of pumping plant hydraulic pump is converted to " location " position, by handling banked direction control valves handle, main frame running gear hydraulic motor 19 drives crawler belt 20, and mobile host and auxiliary equipment arrive crop coal and peel off the coal mining position in the gully of excavating on the step forming after the cap rock of appearing or along bearing; Secondly, operation vehicle frame lifting gear 29, oblique adjusting oil cylinder 35, the height of adjustment frame and gradient and the coal seam of adopting are basically identical, and then four firm hydraulic props on operating host frame, stretch out and are supported on ground; Again, operation telescopic oil cylinder 23 reaches precalculated position, starts hydraulic pressure base and bores 25 punchings to desired depth, and withdraw from hole, last, rotate spiral positioning post 24 and be deep in boring, main frame has completed directed and has fixed like this, and next step just can bore coal operation.Initial stage of production, drilling tool assembly 5 tail ends extend to the middle position of frame assembly 1, promoting drill bit 11 by hydraulic drive arm propulsion plant 8 cuts along coal seam, the coal cinder of cutting off is collected on the drag conveyor 13 being installed in the middle of two star-wheel collecting mechanisms 37 by two star-wheel collecting mechanisms 37 that are arranged on drill bit 1 below, shovel bucket 41 base plate planes, and drag conveyor 13 is transported to coal cinder on conveying worm 34.In drilling process, transport coal and stretch system by advancing arm assembly 7 more pieces to be connected in sequence, it is detachable connection that two joints advance between arm assembly 7, be used for drill bit assembly 5 to push coal seam, every joint advances between arm assembly 7 and is connected by the hinge joint of high-alloy steel button, make drill bit assembly 5 and advance arm assembly 7 to keep longitudinal rigid to fix, there is drag conveyor 13 that coal is transported on the conveying worm 34 on step therein; In coal mining process, operating personnel only need will advance arm assembly 7 to be transported on the propelling arm docking push unit 9 on frame assembly 1, advance arm docking push unit 9 just it can be put into rail plate voluntarily, complete tunnel exploitation, when withdrawing from drill bit assembly 5, propelling arm on frame assembly 1 docking push unit 9 unloads propellings arm assembly 7 automatically from slide rail, operating personnel only need advance arm assembly 7 to unload from advancing arm to dock push unit 9, is transported to stacking place with fork truck; In the time that drill bit assembly 5 cuts coal seam and gos deep into, what propelling arm docking push unit 9 was cycled to repeat packs propelling arm assembly 7 into successively, make drill bit assembly 5 reach the maximum tunnel degree of depth of its design, enter coal body inside without personnel, realize the work plane nobody-is-safe of Lu Jingduan nation exploitation.
Exploitation disaster and control:
Top board subside accident and processing.Top board one of the accident easily sent out in accident Shi Duan nation coal mining process of subsiding.When pillar strength not or in recovery process, run into special geological structure roof collapse accident all likely occurs.In the time of top board generation inbreak, equipment can utilize the carriage return power of self that head, propelling arm are extracted out together with stone.Advance in addition arm to possess enough Rigidity and strengths, can prevent that roof collapse from smashing equipment.
Spontaneous combustion of coal seam disaster prevention and improvement.Because goaf is without any supporting, and with external environment in breakthrough status, oxygen can enter in tunnel, Coal Pillar Spontaneous Combustion disaster occurs unavoidable, therefore, for the exploitation of control end nation produces spontaneous combustion disaster, mainly take following measure: 1. for the exploitation of opencut end nation, row's work in should realizing in Coal Spontaneous Combustion Period.Utilize opencut overburden to cover the tunnel of having exploited, reach the object of shutoff, thereby avoid spontaneous combustion in goaf; 2. for isohypse exploitation and groove exploitation, should in Coal Spontaneous Combustion Period, carry out timely shutoff to tunnel, goaf; 3. strengthen the monitoring to goaf spontaneous combustion, to goaf or the ground settlement crack of spontaneous combustion take in time shutoff, the measure control intensity of a fire such as fire-retardant of being in the milk.
Prevention and the improvement of end nation landslide accident.The terminal nation that opencut forms often finally helps slope angle all larger, and landslide accident easily occurs, if the end nation of isohypse exploitation and the operation of groove mining equipment does not do any protection landslide accident also easily occurs in addition.End nation landslide accident prevention and process the following measure of mainly taking: 1. according to the final side slope angle of coal excavation apparatus exploitation target resource end nation of stability of slope Theoretical Design end nation, Shi Bian nation in the situation of final pit slope angle in stable state; 2. before holding nation to exploit, opposite end nation processes.Utilize anchor cable to carry out anchoring to unsettled end nation, can hang if desired anchor net, and whitewashing.Can avoid like this landslide and stone to tumble damages operating personnel; ③Duan nation reveals well brill formula coal excavation apparatus itself and has landslide-proofing, the anti-function of pounding.Equipment adopts totally-enclosed control room, and control room has certain anti-protection intensity of pounding.In addition, for fear of personnel's injury accident, equipment can also move by notebook computer remote control, and personnel can remote control equipment operation outside risk range.
Gas and Harmful Gas Treatment.In end nation recovery process, have gas and other pernicious gas, there is potential safety hazard.In addition, multilayer coal mining superjacent adopts the exploitation of end nation, and underlying seam adopts well work mode to exploit, and in the tunnel that end nation exploited, may gather various pernicious gases, when underlying seam adopts well work mode to exploit, pernicious gas can enter pit mining tunnel by sedimentation crack, has potential safety hazard.Aspect gas and Harmful Gas Treatment, need to carry out following work: while 1. exploiting gassy seam, the firedamp sensor that employing equipment self is equipped with is monitored gas in tunnel, in the time that around cutterhead, gas density transfinites, Zuan Shiduan nation coal mining system can cut off electrical source of power, cutterhead autostop, and report control room, ground, or pass through ventilation installation, dilution gas, reaches safety work requirement; 2. multiple seam exploitation, superjacent adopts the exploitation of end nation, and underlying seam adopts the exploitation of well work method.Produce pernicious gas for fear of superjacent bottom pit mining is produced to harm, need on sequencing, do careful arrangement.
Claims (10)
1. formula coal-winning machine is bored in the walking certainly of a Zhong Lujingduan nation, comprise frame assembly (1), running gear (2), Electronic Control Assembly (3), hydraulic pressure assembly (4), drilling tool assembly (5), ventilation installation (6), advance arm assembly (7), advance arm propulsion plant (8), advance arm docking push unit (9) and coal conveyer (10), frame assembly (1) comprises running gear (2), advance arm propulsion plant (8), advance arm docking push unit (9), vehicle frame lifting gear (29) and telescopic oil cylinder (23), frame assembly (1) connects by the vehicle frame lifting gear (29) on the device that is connected and fixed (30) and running gear (2), running gear (2) comprises running gear hydraulic motor (19) and crawler belt (20), Electronic Control Assembly (3) and hydraulic pressure assembly (4) connect with frame assembly (1) by bearing pin respectively, drilling tool assembly (5) is by advancing arm assembly (7) to connect with advancing arm propulsion plant (8), ventilation installation (6) is positioned at a side that advances arm assembly (7), advance the opposite side of arm assembly (7) to have the anti-groove (42) of pounding, drilling tool assembly (5) comprises drill bit (11), transmission case (12), coal-winning machine motor (14) and coal winning machine's speed reducer (15), it is characterized in that: also comprise gamma ray detection instrument (26), firedamp sensor (27) and hoist cylinder (36), gamma ray detection instrument (26) and firedamp sensor (27) are positioned on the transmission case (12) of drilling tool assembly (5), one end of hoist cylinder (36) connects with shovel bucket (41), the other end connects with the rocking arm on drilling tool assembly (5).
2. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 1 nation, it is characterized in that: there is shovel bucket (41) described drilling tool assembly (5) lower end, shovel bucket (41) one end connects with advancing arm assembly (7), is fixed with drag conveyor (13) and star-wheel collecting mechanism (37) on shovel bucket (41).
3. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 2 nation, it is characterized in that: described drag conveyor (13) comprises scrapper conveyor hydraulic motor (40), scrapper conveyor tensioning apparatus (39) and scrapper conveyor tail wheel (38), scrapper conveyor hydraulic motor (40) and scrapper conveyor tensioning apparatus (39) are positioned at the rear end of drag conveyor (13), and scrapper conveyor tail wheel (38) is positioned at the front end of drag conveyor (13).
4. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 2 nation, it is characterized in that: described star-wheel collecting mechanism (37) is positioned at scrapper conveyor tail wheel (38) both sides of drag conveyor (13).
5. bore formula coal-winning machine according to the walking certainly of a kind of Lu Jingduan nation described in claim 2 or 4, it is characterized in that: described star-wheel collecting mechanism (37) comprises the star-wheel that at least one composition is right, each star-wheel has three blades at least.
6. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 1 nation, it is characterized in that: described coal conveyer (10) comprises mobile spiral conveyer and portable belt conveyer.
7. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 6 nation, it is characterized in that: described mobile spiral conveyer comprises screwdriven device (48) and conveying worm (34), conveying worm (34) lower end one side has screwdriven device (48).
8. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 6 nation, it is characterized in that: described portable belt conveyer comprises conveyor running gear (45), belt conveyor (46), telescopic column (44), rotating circular disk (43) and round funnel (47), there is rotating circular disk (43) conveyor running gear (45) upper end, rotating circular disk (43) connects with belt conveyor (46) by telescopic column (44), round funnel (47) is placed in the rear end of portable belt conveyer, connects with one end of conveying worm (34).
9. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 8 nation, it is characterized in that: described portable belt conveyer connects with frame assembly (1) by mobile spiral conveyer.
10. formula coal-winning machine is bored in the walking certainly of a kind of Lu Jingduan according to claim 1 nation, it is characterized in that: described propelling arm assembly (7) includes more piece and advances arm, and advancing between arm is detachable connection.
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| CN201420392749.0U CN203978432U (en) | 2014-07-16 | 2014-07-16 | Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan nation |
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| CN201420392749.0U CN203978432U (en) | 2014-07-16 | 2014-07-16 | Certainly formula coal-winning machine is bored in the walking of a kind of Lu Jingduan nation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088633A (en) * | 2014-07-16 | 2014-10-08 | 袁伟昊 | Self-walking drill type coal mining machine used at open mine end slope |
| CN109184691A (en) * | 2018-08-07 | 2019-01-11 | 中国矿业大学(北京) | Full-mechanized roadway piercing technique based on the anchor combined unit of robotization pick branch |
-
2014
- 2014-07-16 CN CN201420392749.0U patent/CN203978432U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088633A (en) * | 2014-07-16 | 2014-10-08 | 袁伟昊 | Self-walking drill type coal mining machine used at open mine end slope |
| CN109184691A (en) * | 2018-08-07 | 2019-01-11 | 中国矿业大学(北京) | Full-mechanized roadway piercing technique based on the anchor combined unit of robotization pick branch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160629 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |