SU870737A1

SU870737A1 - Set for excavating coal from thick seams

Info

Publication number: SU870737A1
Application number: SU802875229A
Authority: SU
Inventors: Павел Николаевич Мельников; Абрам Ильич Дашковский; Владимир Иосифович Лившиц
Original assignee: Всесоюзный научно-исследовательский и проектно-конструкторский угольный институт "КузНИУИ"
Priority date: 1980-01-22
Filing date: 1980-01-22
Publication date: 1981-10-07

Description

. Изобретение относится к горному делу , а именно к агрегатам для выемки угля из крутых пластов, работающим по восстанию с закладкой выработанного пространства,. The invention relates to mining, and in particular to units for the extraction of coal from steep seams, working on an uprising with the laying of the worked out space,

Известен комплекс для выемки угля на пластах крутого падения в вое-, ходящем порядке с закладкой выработанного пространства, включающий подвешенную на канатах жесткую раму, исполнительный орган, перемещающийся по верхним направляющим рам, привод и установленный под рамой желоб для транспортирования угля tQ·A well-known complex for coal mining on steep fall seams in a howling, running order with laying of mined-out space, including a rigid frame suspended on ropes, an actuator moving along the upper guide frames, a drive and a chute for transporting coal tQ

Недостатками этого комплекса являются : канатная подвеска рамы, требующая проведения дополнительных подготовительных выработок, ограниченная жесткой рамой вынимаемая мощность пласта, возможность заклинивания исполнительного органа при вывалах угля из-за отсутствия ограждения груди забоя.The disadvantages of this complex are: rope suspension of the frame, requiring additional preparatory workings, limited removable capacity of the formation limited by the rigid frame, the possibility of jamming of the executive body with coal dumps due to the lack of a face chest fence.

Наиболее близким к предложенному агрегату по технической сущности явя._чляется агрегат для выемки угля из крутых пластов, включающий четные и нечетные секции крепи с верхними и нижними перекрытиями, между которыми установлены гидростойки, механизм пе* ¹ редвижения и продольные направляющие исполнительного органа[21.Closest to the proposed unit on the technical nature of reality. _h wish to set up the machine for excavating coal from abrupt layers comprising even and odd sections of lining the upper and lower beams, between which gidrostoyki mechanism ne * ¹ redvizheniya and longitudinal guides executive body [21.

В таком агрегате не достигается полнота выемки при изменении мощности пласта, а в слабых боковых породах затруднено передвижение секций крепи.In such an aggregate, the completeness of the excavation is not achieved when the thickness of the reservoir is changed, and in weak lateral rocks the movement of the support sections is difficult.

Целью изобретения является расширение области применения агрегата на пластах со слабыми боковыми породами и с изменяющейся мощностью пласта.The aim of the invention is to expand the scope of application of the unit on formations with weak lateral rocks and with varying thickness of the formation.

Цель достигается тем, что в агрегате для выемки угля из крутых пласт, тов, включающем четные и нечетные сек· ции крепи с верхними и нижними перекрытиями, между которыми ус та нов лет ны направляющиеИсполнительного органа, четные и нечетные секции крепи объединены в две независимые группы, в каждой из которых как верхние, так и нижние перекрытия секции крепи попарно связаны в жесткие комплекты с оставлением свободным каждого третьего перекрытия в группе, при этом связи пар верхних перекрытий смещены на одну секцию относительно связей пар нижних перекрытий и соединены со свободными нижними перекрытиями, а пары нижних перекрытий соединены со свободными верхними перекрытиями,нечетные секции крепи снабжены полыми рамами с домкратами для крепления и поперечного перемещения продольных направляющих исполнительного органа, которые соединены между собой посредством телескопических тяг, а четные секции крепи снабжены поворотными телескопическими щитками для поддержания-груди забоя.The goal is achieved by the fact that in the unit for the extraction of coal from steep seams, which includes even and odd support sections with upper and lower floors, between which the guides of the Executive Body are installed, the even and odd support sections are combined into two independent groups , in each of which both the upper and lower floors of the lining section are paired into rigid sets with each third floor in the group remaining free, while the bonds of the pairs of upper floors are shifted by one section relative to the bonds of the pairs of the floor ceilings and are connected to the free lower ceilings, and the pairs of lower ceilings are connected to the free upper ceilings, the odd support sections are provided with hollow frames with jacks for fastening and lateral movement of the longitudinal guides of the actuator, which are interconnected by telescopic rods, and the even support sections are provided swivel telescopic shields to maintain the face-chest.

На фиг. 1 изображен предложенный агрегат, общий вид; на фиг. 2 - вид А на фиг. 1; на фиг. 3 - разрез Б-Б на фиг. 2; на фиг. 4 - схема соединения секций крепи.In FIG. 1 shows the proposed unit, General view; in FIG. 2 is a view A in FIG. one; in FIG. 3 is a section BB in FIG. 2; in FIG. 4 is a diagram of the connection of the lining sections.

Агрегат состоит из крепи, четные и нечетные 2 секции которой объединены в две независимые группы.The unit consists of supports, odd and even 2 sections of which are combined into two independent groups.

Секции имеют верхние 3 и нижние 4 перекрытия и гидростойки 5.Sections have upper 3 and lower 4 floors and water columns 5.

Четные секции крепи имеют поворотные телескопические щитки 6 и 7 для поддержания груди забоя, соединенные с перекрытиями шарнирами 8 и 9 и гидродомкратами 10 и 11.The even sections of the lining have rotary telescopic shields 6 and 7 to support the chest of the face, connected to the ceilings by hinges 8 and 9 and hydraulic jacks 10 and 11.

Продольные направляющие 12 и 13 исполнительного органа закреплены на ползунах 14 и установлены на нечет ных секциях 2. Выемочный исполнительный орган 15, например кольцевой струг, с приводами 16 и резцовыми каретками 17, связанными бесконечной цепью 18, размещен на продольных направляющих 12, 13. Агрегат имеет гидродомкраты 19 передвижки, Для доставки служит конвейер 20. Продольные направляющие 12 и 13 соединены между собой телескопическими тягами 21. Верхние 3 и нижние 4 ' перекрытия каждой группы попарно связаны в жесткие комплекты балкой 22 с оставлением свободным каждого третьего перекрытия в группе, при этом связи пар верхних перекрытий смещены на одну секцию относительно связей пар нижних перекрытий и соеди- .Longitudinal guides 12 and 13 of the executive body are fixed on the sliders 14 and mounted on the odd sections 2. The extraction executive body 15, for example an annular plow, with drives 16 and cutting carriages 17 connected by an endless chain 18, is placed on the longitudinal guides 12, 13. The unit has hydraulic rams 19; For delivery, a conveyor 20 is used. Longitudinal guides 12 and 13 are interconnected by telescopic rods 21. The upper 3 and lower 4 'floors of each group are paired into rigid sets by a beam 22 with m free of every third floor in the group, while the bonds of the pairs of upper floors are shifted by one section relative to the bonds of pairs of lower floors and connections.

йены со свободными нижними перекрытиями, а пары нижних перекрытий соединены со свободными верхними перекрытиями .yen with free lower floors, and pairs of lower floors are connected with free upper floors.

Каждая пара оснований одного борта нормально связано гидростойкой 5 с аналогичным одиночным основанием противоположного борта.Each pair of bases of one side is normally connected by a hydraulic stand 5 with a similar single base of the opposite side.

Крепь выполнена из двух жестких (четной и нечетной) групп, гребенчато входящих одна в другую основаниями и перекрытиями и выдвигаемых относительно друг друга гидродомкратами 19 передвижки.The lining is made of two rigid (even and odd) groups, combing one into the other with bases and ceilings and pushed out relative to each other by hydraulic ramming jacks 19.

Нечетные секции имеют полые рамы 23 с домкратами 24, взаимодействующими с ползунами 14, установленными на указанных рамах, для поперечного перемещения по ним продольных направляющих 12 и 13 с выемочным исполнительным органом 15.Odd sections have hollow frames 23 with jacks 24 interacting with sliders 14 mounted on said frames for lateral movement of longitudinal guides 12 and 13 along them with a recessed actuating body 15.

Продольные направляющие I2 и 13 установлены соответственно на щитках 6 и 7 нечетной системы, при этом направляющая 13 находится у почвы (кровли), а направляющая 12 находится, например, в середине забоя. Расстояние между продольными направляющими выбирается в зависимости от мощности пласта и хода домкратов 24 и регулируется телескопическими тягами 21.Longitudinal guides I2 and 13 are installed respectively on the shields 6 and 7 of the odd system, while the guide 13 is located near the soil (roof), and the guide 12 is, for example, in the middle of the face. The distance between the longitudinal guides is selected depending on the thickness of the formation and the stroke of the jacks 24 and is regulated by telescopic rods 21.

Агрегат работает следующим образом.The unit operates as follows.

В исходном положении обе жесткие группы подтянуты друг к другу и расперты гидростойками 5. «In the initial position, both rigid groups are pulled together and are strung out by hydrostations 5. "

После включения доставочного кон.вейера 20 и приводов 16 снимаются с распора секции 2 и гидродомкратами 19 передвижки нечетная группа - носитель выемочного исполнительного органа 15 подается вверх на забой, при этом резцовые каретки 17 зарубаются в пласт до тех пор, пока щитки 6,7 секций 2 не подойдут вплотную к забою.After turning on the delivery conveyor 20 and the drives 16, the odd group is removed from the spacer section 2 and the hydraulic rams 19 - the carrier of the excavating executive body 15 is fed up to the bottom, while the cutter carriages 17 are cut into the formation until the shields of 6.7 sections 2 will not fit close to the face.

После этого производится распор секций 2 нечетной группы, включаются домкраты 24, взаимодействующие с ползунами 14, и последние, а вместе с ними и продольные направляющие 12, 13 с выемочным исполнительным органом 15 по полым рамам 23 перекрытий нечетной системы перемещаются поперек забоя, снимая резцовыми каретками 17 стружку угля на глубину зарубки. Так как продольные направляющие 12 и 13 соединены между собой телескопическими тягами 21, то при их попереч врепочет ном перемещении обе они движутся в одну сторону, например от почвы к кровле пласта. Одновременно со снятием стружки четная группа при сия том распоре с секций 1 подтягивается к нечетной системе гидродомкратами 19 и распирается, а ее поворотные телескопические щитки 6,7 в это мя опущены.After that, the spacing of the sections 2 of the odd group is made, the jacks 24 are turned on, interacting with the sliders 14, and the latter, and with them the longitudinal guides 12, 13 with the recessed actuating organ 15, move across the hollow frames 23 of the overlaps of the odd system, removing them with cutter carriages 17 coal shavings to a notch depth. Since the longitudinal guides 12 and 13 are interconnected by telescopic rods 21, when they cross-wrap, both of them move in the same direction, for example, from the soil to the top of the formation. Simultaneously with the removal of shavings, the even group, with a clear thrust from sections 1, is pulled to the odd system by hydraulic jacks 19 and bursts, and its rotary telescopic shields 6,7 are lowered into it.

Отбиваемый угол по опущенным воротным телескопическим щиткам ной системы и через полые рамы 23 нечетной системы поступают на доставочный конвейер 20Beat angle through the lowered door telescopic flaps of the n system and through the hollow frames 23 of the odd system enter the delivery conveyor 20

Закладочный материал подается в выработанное пространство непрерывно.The backfill material is fed into the worked out space continuously.

Затем зарубка производится со стороны кровли пласта.Цикл повторяется.Then the notch is made from the side of the formation roof. The cycle repeats.

При изменении мощности пласта регулирование производится путем разд? вижки или сближения перекрытий гидростойками 5, а продольных направляющих 12 и 13 - телескопическими тягами 21, при этом жесткие системы входят одна в другую гребенчато за счет их смещения относительно друг друга.When changing the thickness of the reservoir regulation is carried out by section? vizhki or rapprochement of the floors with hydrostakes 5, and longitudinal guides 12 and 13 with telescopic rods 21, while the rigid systems enter one another in the comb due to their displacement relative to each other.

Жесткие основания групп подволяют осуществлять передвижку крепи по восстанию без снятия распора даже в тех случаях, если под одной из секций произошел вывал породы.The rigid foundations of the groups allow the support to be moved along the uprising without removing the pressure, even if the rock fell out under one of the sections.

При ремонте или замене узлов исполнительного органа 15 телескопические тяги 21 отсоединяются, освобождая продольные направляющие 12 и 13, гидро-ч домкратами 10,11 нечетной группы отводятся от забоя вниз, после чего поворотные телескопические щитки четной группы выдвигаются и подхватывают грудь забоя, обеспечивая безопасность . работ.When repairing or replacing the nodes of the executive body 15, the telescopic rods 21 are disconnected, releasing the longitudinal guides 12 and 13, the hydraulic jacks of the 10.11 odd group are moved down from the bottom, after which the rotary telescopic guards of the even group are extended and pick up the chest of the face, ensuring safety. works.

Такое выполнение агрегата позволяет производить регулирование агрегата в большом диапазоне изменения мощ30 ности пласта в пород.This embodiment of the aggregate makes it possible to regulate the aggregate in a wide range of changes in the reservoir thickness in the rocks.

условиях слабых боковых изобретения выемки угля из крутых расширения области, пластах со слабыми и с изменяющейся четные и нечетныеconditions of weak lateral inventions of coal extraction from steep expansion areas, seams with weak and with changing even and odd

Claims

The invention relates to mining, in particular, to aggregates for cutting coal from steep seams, working after an uprising with laying an exhausted space. A complex for excavating coal falling steep seams with a laying of working space, including a suspension the ropes are a rigid frame, an actuator moving the upper guide frames, a drive and a chute mounted under the frame for transporting the coal Dl. The disadvantages of this complex are: The additional additional workings, limited by a rigid frame, are taken out of the thickness of the reservoir, the possibility of seizure of the executive body in coal outflows due to the absence of a fence at the bottom of the chest. The closest to the proposed unit to the technical entity in. A unit for cutting coal from steep seams, comprising even and odd sections of the support with upper and lower ceilings, between which hydraulic racks, a moving mechanism and longitudinal guides of the executive body f23 are installed. In such a unit, the excavation is not complete when the formation thickness changes, and in weak lateral rocks, the support sections move difficult. The aim of the invention is to expand the field of application of the aggregate on seams with weak lateral rocks and with varying thickness of the seam. The goal is achieved by the fact that in the unit for excavating coal from steep formations, including even and odd sections of the lining with upper and lower ceilings, between which ycTaHOBjjef 38 are guides of the executive body, the even and odd sections of the lining are combined into two independent groups Dips, in each of which both the upper and lower overlaps of the support sections are pairwise connected in rigid sets, leaving every third overlap in the group free, while the communications of the pairs of upper covers are shifted by one section relative to the communications of the lower pairs their overlappings and are connected to free lower overlaps, and the pairs of lower overlaps are connected to free upper overlaps, the odd lining sections are provided with hollow frames with jacks for fastening and lateral movement of the final executive guides, which are connected together by telescopic t The even-numbered sections of the support are equipped with swiveling telescopic guards to support the bottom. FIG. 1 shows the proposed unit, a general view; in fig. 2 is a view A of FIG. one; in fig. 3 shows a section BB in FIG. 2; in fig. 4 is a diagram of the connection of the support sections. The unit consists of lining, even 1 and odd 2 sections of which are combined into two independent groups. The sections have upper 3 and lower overlaps and hydroresistances 5. The even sections of the lining have swiveling telescopic flaps 6 and 7 for supporting the chest of the bottom, connected to the overlaps by hinges 8 and 9 with hydraulic jacks 10 and 11. The longitudinal guides 12 and 13 of the executive body are fixed to slides 14 and mounted on non-sections x. The notch actuator 15, for example an annular plow, with actuators 16 and cutter carriages 17 connected by an endless chain 18, is placed on longitudinal guides 12, 13, the unit has shifters 18 the delivery serves as a conveyor 20. The longitudinal guides 12 and 13 are connected to each other by telescopic trails 21. The upper 3 and lower 4 overlaps of each group are connected in pairs in rigid sets by the beam 22 leaving one third of its overlap in the group, while the connection pairs the upper floors are shifted by one section relative to the connections of the pairs of floors and connected to the free lower floors, and the pairs of the lower floors are connected to the free upper legs. Each base pair of one boron is normally hydro-resistant with a similar single base of the opposite board. The support is made of two rigid (even and odd) groups, which are combed into one another by bases and overlapped and swiveled relative to each other by hydraulic shifters 19. The odd sections have hollow frames 23 with jacks 24 interacting with sliders 14 mounted on said frames for lateral guides 12 and 13c moving laterally along them by a notch actuator 15. Longitudinal guides I2 and 13 are mounted respectively on plates 6 and 7 of an odd the system, wherein the guide 13 is located near the soil (roof), and the guide 12 is, for example, in the middle of the bottom. The distance between the longitudinal guides is selected depending on the thickness of the reservoir and the stroke of the jacks 24 and is governed by telescopic rods 21. The unit operates as follows. In the initial position, both rigid groups are tightened to each other and unraveled with hydraulics 5. After switching on the delivery conveyor 20 and the actuators 16 are removed from the thrust of section 2 and shifting hydraulic jacks 19, the odd-numbered carrier of the excavation executive body 15 moves up to the bottom, the cutting carriages 17 are hacked into the formation until the flaps 6.7 of section 2 fit close to the bottom. After this, the sections 2 of the odd group are spaced, the jacks 24 interacting with the sliders 14 are turned on, and the latter, and with them the longitudinal guides 12, 13 with the notch actuator 15 along the hollow frames 23 of the odd system, move across the bottom, removing the incisal carriages 17 coal chips to the depth of the notch. Since the longitudinal directions 12 and 13 are interconnected by telescopic rods 21, when they transversely move, they both move in the same direction, for example, from the soil to the roof of the formation. Simultaneously with the removal of chips, an even group, when removing the spread from sections 1, pulls the odd-numbered system with hydraulic jacks 19 and spreads, and its rotating telescopic flaps 6.7 are lowered at this time. The corner of the beating angle is lifted by the lowered pivoting telescopic flaps of the even system and through the hollow frames 23 of the odd system to the delivery conveyor 20. The stowage material is fed into the worked space continuously. Then a notch is made on the roof side of the formation. The cycle is repeated. When the thickness of the reservoir changes, the adjustment is made by expanding or bringing the floors together by hydraulic rails 5, and the longitudinal guides 12 and 13 by telescopic rods 21, while the rigid systems fit into one another due to their displacement relative to each other. The rigid bases of the groups allow the support to be moved along the uprising without relieving the thrust even in those cases when a rock outflow has occurred under one of the sections. When repairing or replacing nodes of the executive body. 15, the telescopic pulls 21 are disconnected, releasing the longitudinal guides 12 and 13, the hydraulic-v jacks 10.11 of the odd group move away from the bottom, after which the rotating telescopic flaps of the even group extend and pick up the breast of the face, ensuring safety of work. Such an embodiment of the aggregate allows the regulation of the aggregate in a wide range of variations in the thickness of the reservoir under conditions of weak lateral rocks. The invention The unit for excavating coal from steep seams, including even and odd sections of lining with upper and lower ceilings, between which there are hydroracks, the mechanism of movement and longitudinal guides of the ejection organ, characterized in that layers with weak lateral rocks and with varying thickness of the layer, the even and odd sections of the lining are combined into two independent groups, in each of which both the upper and lower overlaps of the lining sections are in pairs with are fixed in rigid sets, leaving every third overlap in the group free, while the couples of the upper overlaps are shifted by one section relative to the couples of the lower overlap pairs and connected to the free lower overlaps, and the lower overlap pairs are connected to the free upper overlaps, odd-sections of the lining are equipped with hollow frames with jacks for fastening and lateral movement — longitudinal guides of the executive body, which are interconnected by means of telescopic bars, and even se tion support frame provided with swivel telescopic shields to maintain the working face. Sources of information taken into account in the examination 1. The author's certificate of the USSR 275935, class E 21 27/32, 1966.

2. USSR author's certificate number 208618, cl. E 21 O 23/00, 1967 (prototype).

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