SU964172A1

SU964172A1 - Roof bolting for mine working

Info

Publication number: SU964172A1
Application number: SU813253041A
Authority: SU
Inventors: Георгий Тимофеевич Кирничанский; Борис Анатольевич Комендантов; Владимир Анатольевич Чумак; Борис Миронович Усаченко
Original assignee: Специальное конструкторско-технологическое бюро Института геотехнической механики АН УССР
Priority date: 1981-03-03
Filing date: 1981-03-03
Publication date: 1982-10-07

Description

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Изобретение относитс к анкерI ной крепи горных выработок.The invention relates to anchor lining of mine workings.

Известна анкерна крепь горных выработок, включакица анкер, выполненный в виде петли, концы которой закреплены в отдельных шпурах, и нат жное устройство из поворотногоKnown anchor lining of mine workings, including an anchor, made in the form of a loop, the ends of which are fixed in separate holes, and a tensioning device of a swivel

эксцентрика L 1 1Однако крепь требует больших затрат времени на ее возведение ввиду необходимости бурени шпуров, установки в них анкеровч и выполнени операций нат жени .Cam L 1 1 However, lining requires a lot of time for its erection due to the need to drill holes, install anchoring in them and perform tensioning operations.

Наиболее близким к предлагаемому по технической сущности и достигаемому результату вл етс анкерна крепь горных выработок, включающа анкер с хвостовиком, гибкий элемент и опорный фиксатор, размещен .ный на хвостовике анкера С2}.The closest to the proposed technical essence and the achieved result is the anchor support of mine workings, including an anchor with a shank, a flexible element and a support lock, located on the shank of the anchor C2}.

Недостаток крепи заключаетс в . том, что ее возведение св зано с многооперационными и трудоемю1ми процессами , такими как бурение шпуров,.The lack of lining is. that its erection is associated with multioperational and labor-intensive processes, such as drilling holes.

установка анкеров, закрепление гибких элементов и их нат жение.installation of anchors, securing of flexible elements and their tension.

Цель изобретени - повышение производительности труда за счет упрощени технологии возведени крепи.The purpose of the invention is to increase labor productivity by simplifying the construction of lining technology.

Поставленна цель достигаетс тем, что на боковой Поверхности анкера выполнен огибающий его торецThe goal is achieved by the fact that on the lateral surface of the anchor, an envelope is made around it

10 двусторонний продольный паз, в котором размещена петл гибкого элемента , а фиксатор выполнен в виде втулки с конусным отверстием, сужающимс к выступаЮ1чему концу хвосто1S вика, причем в торце втулки выполнена10 is a double-sided longitudinal groove in which a loop of the flexible element is placed, and the retainer is made in the form of a sleeve with a tapered bore tapering to the protrusion and to the end of the tail of the wick, and at the end of the sleeve

сквозна лоткова дп размещени в ней концов петли гибкого элемента.through lotka dp placing in it the ends of the loop of the flexible element.

20На фиг, 1 изображена анкерна 20 FIG. 1 shows anchor

Claims

, lining, general view; in fig. 2 — Sect. A-A in FIG. 1, FIG. 3 — Node 1 in FIG. I; FIG., k is a view along arrow B in FIG. B 3. Anchor lining of mine workings consists of an anchor 1 with a shank and a nut 2, an envelope of the anchor of the flexible element 3 and a support clamp, made in the form of a sleeve C, scattered on the anchor shank. For placing on the anchor 1 a loop of a flexible element, a double-sided groove is made on its side surface, enveloping also the end of the anchor. The sleeve bore is tapered, and tapering towards the end of the shank. A through gutter slot 5 is provided at the end of the sleeve to accommodate the ends of the loop of the flexible element 3 and the opposite pointed end of the sleeve is pressed into the rock mass 6. Anchoring is installed as follows. On the shank of the anchor 1 screwed on the nut and the nut 2 and the hook, the flexible element B is inserted into the groove of the anchor B. From above, the anchor 1 and the loop of the flexible element 3 that surrounds it wear a sleeve J. In this view, the anchor is inserted into the mechanism for crushing the anchors and clamping the shank below t and flexible element 3. Then, the anchor is pushed into the rock mass 6, while the upper part of the anchor with the loop of flexible element 3 is inserted into the rock, and sleeve A, abutting it, slides along anchor 1, reaching the nut 2, sleeve C stops and under the influence of the crushing mechanism pushes into rock with the sharp edge of its cone. Getting into the cone 24 of the sleeve, the rock clamps the ends of the loop of the flexible element 3 and fixes it, providing the possibility of tension when pushing the next anchor. The guide groove slot 5 in the sleeve C is oriented when knocking in the direction of adjacent anchors, which prevents snacking and bending of the flexible element 3 "Invention Anchoring lining of mine workings, including an anchor with a shank, a flexible element and a support retainer placed on the anchor shank, about aphids with TISM, which, with the aim of increasing labor productivity by simplifying the lining technology, on the side surface of the anchor there is an end envelope with a two-sided longitudinal groove, in which is placed a flexible element, and the retainer is made in the form of a sleeve with a tapered bore tapering to the protruding end of the shank, with a slotted through slot in the end of the sleeve for accommodating the ends of the flexible element. Sources of information taken into account during the examination 1. USSR author's certificate No. 58129, cl. E 21 O 21/00, 1976.

2. USSR author's certificate №, cl. E 21 D 21/00, 1971 (prototype).

FIG. f

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