SU783480A1

SU783480A1 - Power roof support section

Info

Publication number: SU783480A1
Application number: SU792721113A
Authority: SU
Inventors: Иван Ясонович Калатозишвили; Темури Шалвович Пховелишвили; Вахтанг Симонович Махатадзе
Original assignee: Институт Горной Механики Им. Г.А.Цулукидзе Ан Грузинской Сср
Priority date: 1979-01-31
Filing date: 1979-01-31
Publication date: 1980-11-30

Description

Изобретение относится к горнодобывающей промышленности и может быть использовано при разработке пластовых месторождений механизированными комплексами.The invention relates to the mining industry and can be used in the development of reservoir deposits by mechanized complexes.

Известна механизированная крепь, состоящая из секций, включающих гидростойки, перекры- ⁵тие, гидродомкрат передвижения и управляемый оградительный щит, подвешенный посредством валика и кронштейна к забойной стойке и защищающий секцию от отбитой при буровзрывной выемке горной массы П).Known mechanized lining, consisting of sections, comprising gidrostoyki, overlap term ^5, and a hydraulic jack controlled movement protective shield suspended by roller and bracket to the rack and downhole protecting section by a broken when blasting excavation of rock mass P).

Недостатком известной механизированной крепи является необходимость сокращения забойных стоек при выполнении операций по управлению оградительным щитом. _|$ A disadvantage of the known mechanized lining is the need to reduce downhole racks when performing operations to control the shield. _{| $}

Наиболее близкой к изобретению по технической сущности и. достигаемому результату ^является секция механизированной крепи, включающая перекрытие с рамой и кронштей- _мном, гидростойки, механизм перемещения секции, ограждающий щит, прикрепленный шарнирно к раме, и гицродомкрат управления, соединенный шарнирно с кронштейном (2].Closest to the invention in technical essence and. ^ achieved result is a unit support frame comprising a floor frame and kronshtey- _m prefecture, gidrostoyki, moving mechanism section enclosing the shield is pivotally attached to the frame, and the control gitsrodomkrat connected pivotally to the bracket (2].

Недостатком известной секции крепи является наличие неперекрываемой зоны, а также необходимость обнажения уже закрепленной кровли перед производством взрывных работ.A disadvantage of the known section of the lining is the presence of an uncovered area, as well as the need to expose an already fixed roof before blasting.

Цель изобретения - повышение надежности защиты крепи от отделенной при буровзрывной выемке горной массы.The purpose of the invention is to increase the reliability of the protection of the lining from the rock mass separated during drilling and blasting.

Указанная цель достигается тем, что ограждающий щит выполнен в виде соединенных шарнирно верхнего и нижнего щитов, верхний из которых .снабжен расположенными со стороны крепи продольной направляющей и гидродомкратом с ползуном, ‘установленным в направляющей, а кронштейн снабжен установленной со стороны забоя поворотной обоймой с рессорным элементом, связанной шарнирно с гидродомкратом управления, при этом ограждающий щит контактирует с рессорным элементом.This goal is achieved by the fact that the enclosing shield is made in the form of articulated upper and lower panels, the upper of which is equipped with a longitudinal guide located on the side of the support and a hydraulic jack with a slider 'installed in the guide, and the bracket is equipped with a rotary cage with a spring mounted on the bottom side an element pivotally connected to the control hydraulic jack, while the enclosing shield contacts the spring element.

На фиг. 1 приведена секция механизированной крепи в исходном положении, вид сбоку; на фиг. 2 а, б, в - секция механизированной крепи, вид сбоку, при различных положениях ограждающего щита.In FIG. 1 shows a section of powered roof supports in the initial position, side view; in FIG. 2 a, b, c - section of powered roof supports, side view, at various positions of the enclosing shield.

Секция механизированной крепи содержит перекрытие 1, с которым связаны козырек 2^ ограждение 3, гидравлические стойки 4, гидропатрон 5 и гидродомкрат 6 передвижения секции. На раме 7 перекрытия 1 шарнирно закреплен ограждающий щит 8, состоящий из двух шарнирно скрепленных друг с другом верхнего 9 и нижнего 10 щитов. Щит 9 со стороны крепи снабжен гидродомкратом 11, к щтоку которого прикреплен ползун 12, установленный в направляющую 13. Щит 8 опираемся на рессорный элемент 14, который зафиксирован в обойме 15. Обойма 15 одним концом шарнирно соединена с кронштейномThe mechanized roof support section contains a ceiling 1, to which a visor 2 ^ guard 3, hydraulic struts 4, a hydraulic cartridge 5 and a hydraulic jack 6 for moving the section are connected. On the frame 7 of the floor 1, the enclosing shield 8 is pivotally fixed, consisting of two upper 9 and lower 10 panels pivotally fastened to each other. The shield 9 on the lining side is equipped with a hydraulic jack 11, to the flange of which a slider 12 is mounted in the guide 13. The shield 8 is based on the spring element 14, which is fixed in the holder 15. The holder 15 is pivotally connected to the bracket with one end

16, ! жестко прикрепленным к раме 7, а другим - со штоком гидродомкрата управления16, ! rigidly attached to the frame 7, and the other with the stem of the hydraulic jack

17. Корпус гидродомкрата 17 связан шарнирно с кронштейном 16.17. The housing of the hydraulic jack 17 is pivotally connected to the bracket 16.

Отбитая горная масса по лаве транспортируется конвейером 18.The broken rock mass is transported along the lava by conveyor 18.

Для бурения скважин в крепи установлена буровая машина 19.For drilling wells in the lining installed drilling machine 19.

Перед производством взрывных работ ограждающий щит 8 опущен вниз и опирается на рессорный элемент 14, гидродомкрат 11 раздвинут до конца, ползун 12 служит опорой для щита 10. В момент взрыва динамические нагрузки на щит 8 воспринимаются рессорным элементом 14. После взрыва разрушенная горная! масса размешается между шитом 8 и забоем.Before blasting, the enclosing shield 8 is lowered and resting on the spring element 14, the hydraulic jack 11 is extended to the end, the slider 12 serves as a support for the shield 10. At the time of the explosion, dynamic loads on the shield 8 are perceived by the spring element 14. After the explosion, the destroyed mountain! the mass is placed between shield 8 and the face.

Для погрузки отбитой горной массы на конвейер включают на сокращение домкрат 11, при этом ползун 12 перемещается по направляющей 13 вверх, освобождая низкий щит 10, который отклоняется в сторону выработанного пространства под действием веса отбитой горной массы (фиг. 2а).To load the broken rock mass onto the conveyor, the jack 11 is reduced for reduction, while the slider 12 moves along the guide 13 upward, releasing a low shield 10, which deviates towards the worked out space under the influence of the weight of the broken rock mass (Fig. 2a).

После выпуска горной массы включают гидродомкрат 17 на раздвижку и обойма 15 с рессорным элементом 14 и ограждающим щитом 8 поворачивается вверх. В этом положении (фиг. 26) верхний щит 9 установлен jno отношению к козырьку 2 с зазором, а |Нижний располагается вертикально.After the release of the rock mass include a hydraulic jack 17 for sliding and the cage 15 with the spring element 14 and the enclosing shield 8 is turned up. In this position (Fig. 26), the upper shield 9 is installed jno with respect to the visor 2 with a gap, and | The lower one is vertically.

При последующем включении на раздвижку гидродомкрдта 11 ползун 12 перемещается в направляющей 13 и, воздействуя на выступающую часть щита 10, поворачивает его в сторону кровли и фиксирует под козырьком 2 секции крепи (фиг. 2в). В этом положении ограждающего щита 8 возможно производство _1Q бурения.When the hydraulic jack 11 is subsequently switched on to the extension, the slider 12 moves in the guide 13 and, acting on the protruding part of the shield 10, turns it towards the roof and fixes the roof support sections under the visor 2 (Fig. 2c). In this position of the shield 8, _1Q drilling is possible.

Возвращение ограждающего щита в исходное положение осуществляется в порядке, обратном описанному.The return of the enclosing shield to its original position is carried out in the reverse order described.

Claims

The invention relates to the mining industry and can be used in the development of stratal deposits by mechanized complexes. Known mechanized lining, consisting of sections, including hydraulic rails, overlap, gidrokomtrekt movement and controlled protective shield, suspended by roller and bracket to the bottom of the rack and protecting the section from broken during drilling and blasting excavation of rock mass. bottom racks when performing management shield shields. Closest to the invention of the technical nature and. the achieved result is the mechanized support section, which includes overlapping with the frame and the crotch stitches, a dredging rack, a mechanism for moving the section, a fencing shield, attaching the frame to the frame, and a hydraulic control jack connected pivotally to the bracket 2. The attached frame is attached. also the need to bare the already fixed roof before blasting. The purpose of NZOsfeteni is to increase the reliability of lining protection from separated) during drilling and blasting excavation of rock mass. This goal is achieved by the fact that the shield is molded in the form of soiedeynyh articulated upper and lower shields, the upper nz of which is equipped with a rotary holder mounted on the side of the slide mounted on the side of the jib with a slide mounted in the guide. With the spring element connected at the hinge with the steering control jack, the shield is in contact with the spring element. On fng. I shows the mechanized support section in the initial position, side view; in fig. 2 a, b, c - mechanized roof support section, side view, at different positions of the fencing shield. 7 The mechanized lining section contains an overlap 1, to which a visor 2, a fencing 3, a hydraulic pillar 4, a hydraulic chuck 5 and a hydraulic jack 6 for moving the section are connected. On frame 7, overlapping 1 is pivotally secured by a fencing shield 8, consisting of two upper 9 and 10 lower shields hinged to each other. The shield 9 on the lining side is provided with a hydraulic jack 11, to the brush of which a slider 12 attached to the guide 13 is attached. The shield 8 is mounted on the spring element 14, which is fixed in the holder 15, the Holder 15 is connected with a bracket 16 rigidly attached to frame 7, and another - with a hydraulic jack of a control ram 17. The hydraulic jack 17 is pivotally connected to a bracket 16. The horn mass is transported along the lava by a conveyor 18. Drilling maschine 19 is installed in the lining the shield 8 is lowered and rests on; the spring element 14, the hydraulic cylinder 11 is extended to the end, the slider 12 is supported by the shield 10. At the moment of the explosion, the dynamic loads on the shield 8 are perceived by the spring element 14. After the explosion, the destroyed mountain mass between the shield 8 and zabof1. During the loading of the broken rock mass onto the coyveier, the jack 11 is switched on to decrease while the slider 12 moves along the level 13 upwards, releasing a low shield 10 that deviates towards the developed space under the action of the weight of the broken rock mass (Figs. 2a). After the release of the rock mass include a headset 17 for razdvizhku and holder 15 with peccopiaiM. element 14 and the fencing shield 8 rotates upward. In this position (Fig. 26), the upper shield 9 is mounted 4 with respect to the visor 2 with a gap, and the LOWER is arranged vertically. Upon subsequent activation of the hydraulic partition 11, the slider 12 moves in the guide 13 and, acting on the projecting part of the shield 10, turns it towards the roof and fixes 2 sections of the support under the visor (Fig. 2c). In this position, the fencing shield 8 may be drilled. The fencing shield is returned to its original position in the reverse order of that described. Claims section Mechanized support section including overlap with frame and bracket, gidrostoyki, section transfer mechanism, protective shield attached pivotally to the frame, and hydraulic hydraulic control jack, which is connected hingedly to the bracket, which is different in that during the drilling and blasting excavation of the rock mass, the enclosing shlt is made in the form of upper and lower sharakirno-connected shields, the upper nz of which is provided with a longitudinal guide and kratom to the slide mounted in the guideway and is provided with a bracket installed at the slaughtering rotary clip with a spring element associated with the control sharifflpHO hydraulic jack, thus enclosing the shield is contacted with a spring element. Sources of information taken into account in the examination 1. USSR author's certificate number 331172, cl. E 21 D 23/00, 10.11,70.

2. Authors certificate of the USSR according to the application G 2584010, cl. E 21 D 23/00, 02/23/78