SU723175A1

SU723175A1 - Power roof support section

Info

Publication number: SU723175A1
Application number: SU772517980A
Authority: SU
Inventors: Виктор Михайлович Бирюков; Василий Матвеевич Будник; Леонид Михайлович Казаков; Вилен Абрамович Капелюш; Валерий Львович Попов; Станислав Николаевич Осипов; Георгий Васильевич Титов; Владимир Николаевич Щербенко
Original assignee: Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт
Priority date: 1977-08-18
Filing date: 1977-08-18
Publication date: 1980-03-25

Description

II

Изобретение относитс к разработке угольных пластов подземным способом с помощью мех.аниаированной крепи.The invention relates to the development of coal seams by the underground method using mechanical anchoring.

Известна секци механизированной К1)епи, включающа основание, ограждение , гидростойки, верхн к, при этом основание и верхн к выполнены в виде клиновой пары .The known section of the mechanized K1) EPI, which includes the base, barrier, hydraulic racks, is upper, the base and upper is made in the form of a wedge pair.

Недостаток данной крепи состоит в том, что она обеспечивает только выдвижку при исчерпании предохранительной податливости лишь при соединении верхн ка с основанием, .где затруднен доступ к гидростойкам.The disadvantage of this support is that it only provides an extension when the safety compliance is exhausted only when the top is connected to the base, where access to hydraulic racks is difficult.

Наиболее близким решением по технической сущности f и достигаемому результату вл етс секци механизированной крепи, включающа основание, ограждение гипростойки, верхн к с направл ющими пазами, в котором размещена выдвижна Пплк |2j.The closest solution to the technical essence f and the achieved result is the mechanized support section, which includes the base, the fence of the hyperstable, top with guide grooves, in which the extendable Pplk | 2j is placed.

Недостаток панной крепи зпключаетси и том, что т юбуютс болыинн усили 1)|.1(|М(жени бплки ирн распч той секцииThe lack of lumber support is also due to the fact that it is celebrating a large amount of effort 1) | .1 (| M (marriages of Irish in this section)

И исчерпани предохранительной податливости гидростюек.And the exhaustion of the safety compliance hydrostroke.

Цель изобретени снижение усилий выдвижени балки при распертой секции и исчерпании предохранительной податливости гидростоек.The purpose of the invention is to reduce the efforts of extending the beam when the section is unstuck and the safety gland of the hydraulic legs is exhausted.

Указанна цель достигаетс тем, что выдвижна балка и верхн к выполнены в виде клиновой пары, между которыми установлен рессорно-пружинный механизм.This goal is achieved by the fact that the extendable beam and the upper beam are made in the form of a wedge pair, between which a spring-spring mechanism is installed.

На фиг. 1 схематически изображена секци механизированной крепи; на фиг. 2 - сечение А-А на фиг. 1; на фиг, 3 - сечение Б-Б на фиг. 2.FIG. 1 shows schematically a mechanized support section; in fig. 2 is a section A-A in FIG. one; FIG. 3 is a section BB in FIG. 2

Claims

An extendable beam 1 with a visor, placed in the guide grooves of the top 2, is made with the top in the form of a clique pair. The extendable beam is constantly pressed to the roof by means of a spring-spring mechanism 3. The hydraulic jack 4 serves to extend the beam, and the hydraulic jack 5 serves to retract the Kftepi section. Between the top 2 and c: about the shn 6 there are hydraulics 7. 7. The mechanized lining section works as follows. When shifting the loaded lining section, first the hydraulic jack 4 extends the wedge-shaped beam 1, and then the hydraulic jack 5 - the lining section. The extension of the support section is performed without removing the thrust from the girders and lowering the top; as even when moving the wedge-shaped beam forward, a gap is formed between it and the roof rocks, which provides partial unloading of sections from the rock pressure. When advancing the section The grooves of the top 2 are included in the wedge-shaped beam 1, which ensures the lining of the lining section. Claims of the Invention Section of mechanized support, including base, barrier, hydraulics 54, top to with guide grooves, in which a telescopic beam is placed, characterized in that, in order to reduce the efforts of the beam to extend when the open section is used and the safety flexibility is exhausted; hydraulic rails, retractable beam and top to made in the form of a wedge pair, between which is installed spring-41rubnpy mechanism. Sources of information taken into account in the examination 1. UK patent number 1074132, class, E 1 E, published. 1967.

2. The UK patent number 1381198, cl. H 1 P, publ. 1975 (prototype).

BUT

YES