NO122328B - - Google Patents

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Publication number
NO122328B
NO122328B NO155508A NO15550864A NO122328B NO 122328 B NO122328 B NO 122328B NO 155508 A NO155508 A NO 155508A NO 15550864 A NO15550864 A NO 15550864A NO 122328 B NO122328 B NO 122328B
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NO
Norway
Prior art keywords
anchor
cross arm
angle
hole
sliding sleeve
Prior art date
Application number
NO155508A
Other languages
Norwegian (no)
Inventor
R Hollitz
Original Assignee
Dow Corning Silicones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Dow Corning Silicones Ltd filed Critical Dow Corning Silicones Ltd
Publication of NO122328B publication Critical patent/NO122328B/no

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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Description

Vinkelanker for fjellbor maskiner. Angle anchors for rock drill machines.

Foreliggende oppfinnelse angår et vinkelanker for fjellbormaskiner ved hjelp av hvilket bormaskinen eller en matesylinder som tilveiebringer bormaskinens matnings-bevegelse kan forankres i fjellet ved hjelp av en kjetting eller liknende. Ved kjente anordninger av denne art har man måttet anordne et hjelpehull nær inntil det hull som skal bores og et vinkelanker innføres i hjelpehullet og festes ved hjelp av kiler. Foreliggende oppfinnelse tar sikte på å tilveiebringe et vinkelanker, som når det be-nyttes, opphever nødvendigheten av å anordne et hjelpehull og dessuten behøver vinkelankeret ikke festes i fjellet ved hjelp av kiler eller liknende. The present invention relates to an angle anchor for rock drilling machines by means of which the drilling machine or a feeding cylinder which provides the feeding movement of the drilling machine can be anchored in the rock by means of a chain or the like. With known devices of this kind, it has been necessary to arrange an auxiliary hole close to the hole to be drilled and an angle anchor to be introduced into the auxiliary hole and fixed by means of wedges. The present invention aims to provide an angle anchor which, when used, eliminates the need to arrange an auxiliary hole and, moreover, the angle anchor does not need to be fixed in the rock by means of wedges or the like.

I henhold til oppfinnelsen oppnås dette ved at vinkelankeret er utformet med en så lang tverrarm at ankeret dels kan innsettes i et foregående borhull og dels holdes fast i dette på grunn av tverrarmens vektstangvirkning. According to the invention, this is achieved by the angle anchor being designed with such a long transverse arm that the anchor can partly be inserted into a preceding drill hole and partly held in place due to the lever effect of the transverse arm.

På grunn av den store avstand mellom hjelpehullet for feste av vinkelankeret, eller med andre ord det foregående borhull og det hull som skal bores, hvilken avstand f. eks. ved dagboring kan være opp til 60— 70 cm eller mere, må ujevnheten i fjellfla-ten også tas i betraktning. Vinkelankeret i henhold til oppfinnelsen er derfor utformet med et forholdsvis langt ankerskaft, idet tverrarmen er forskyvbart anordnet i høyderetningen på ankerskaftet, fortrinnsvis ved hjelp av en glidehylse som er slik dimensjonert at den ved klemvirkning holdes i innstilt høyde. Eventuelt kan man anvende en låseinnretning av en eller an-nen art som passer for formålet. Due to the large distance between the auxiliary hole for attaching the angle anchor, or in other words the preceding drill hole and the hole to be drilled, what distance e.g. in the case of open pit drilling can be up to 60-70 cm or more, the unevenness of the rock surface must also be taken into account. The angle anchor according to the invention is therefore designed with a relatively long anchor shaft, the cross arm being displaceably arranged in the height direction on the anchor shaft, preferably by means of a sliding sleeve which is dimensioned in such a way that it is held at a set height by clamping action. Optionally, one can use a locking device of one kind or another that is suitable for the purpose.

Vinkelankeret i henhold til oppfinnelsen letter i høy grad borarbeidet, idet ar-beidet med boring av et hjelpehull for hvert nytt borhull bortfaller. En unntakelse danner det første hull i en rekke, for hvilket et hjelpehull eventuelt må bores. Heller ikke fastkiling av ankeret i borhullet for-årsaker noe tap av tid, idet man bare be-høver å føre ankerstangen til passende dybde, hvorved den vektstangvirkning som utøves av den lange tverrarm kiler ankerstangen fast i hullet. Til og med den ube-lastede tverrarms egenvekt er tilstrekkelig til å tilveiebringe denne virkning og når bormaskinen er i arbeide, blir vektstang-virkningen selvfølgelig meget kraftigere. The angle anchor according to the invention greatly facilitates the drilling work, since the work of drilling an auxiliary hole for each new drill hole is omitted. An exception forms the first hole in a series, for which an auxiliary hole may have to be drilled. Nor does wedging the anchor in the drill hole cause any loss of time, as one only needs to move the anchor rod to a suitable depth, whereby the lever action exerted by the long cross arm wedges the anchor rod firmly in the hole. Even the own weight of the unloaded cross arm is sufficient to provide this effect and when the drilling machine is in operation, the barbell effect is of course much stronger.

For at beskrivelsen lettere skal kunne forståes vil den i det følgende bli beskrevet mer i detalj under henvisning til tegningen som viser en utførelsesform for et vinkelanker i henhold til oppfinnelsen. På tegningen er en skjematisk vist bormaskin betegnet med A og B betegner en matesylinder for pådrag på bormaskinen. Den viste utførelsesform av vinkelankere om-fatter et forholdsvis langt ankerskaft 1, hvis nedre ende som er forsynt med rifler eller liknende, er innsatt i et borhull. På skaftet 1 er en tverrarm 2 forskyvbart anordnet ved at armens ene ende er utformet som en glidehylse 3, og denne hylse er slik dimensjonert at den låser seg fast på ankerskaftet 1 når tverrarmen 2 påvirkes av krefter som ligger i en viss avstand fra ankerskaftet, hvorved tverrarmen 2 holdes i den innstilte stilling. En kjetting 5 forbinder matesylinderen B med tverrarmen 2 ved at et kjettingledd er tredd inn på tverrarmen, slik at kjettingen kan forskyves In order for the description to be easier to understand, it will be described in more detail in the following with reference to the drawing which shows an embodiment of an angle anchor according to the invention. In the drawing, a schematically shown drilling machine is denoted by A and B denotes a feed cylinder for application on the drilling machine. The shown embodiment of angle anchors comprises a relatively long anchor shaft 1, whose lower end, which is provided with rifles or the like, is inserted into a drill hole. On the shaft 1, a transverse arm 2 is displaceably arranged in that one end of the arm is designed as a sliding sleeve 3, and this sleeve is dimensioned in such a way that it locks onto the anchor shaft 1 when the transverse arm 2 is affected by forces located at a certain distance from the anchor shaft, whereby the cross arm 2 is held in the set position. A chain 5 connects the feeding cylinder B with the cross arm 2 by a chain link being threaded onto the cross arm, so that the chain can be displaced

langs denne. Et løsbart stoffanslag 4 i along this. A removable fabric cover 4 in

tverrarmens fri ende forhindrer at kjettingen glir utilsiktet av armen. the free end of the cross arm prevents the chain from accidentally slipping off the arm.

Det viste eksempel tjener bare til å illu-strere oppfinnelsen og danner ingen be-grensning for denne, idet det godt kan ten-kes andre utførelsesformer som vil falle The example shown only serves to illustrate the invention and does not constitute a limitation for it, since it is quite possible to imagine other embodiments that would fall

innenfor oppfinnelsens ramme. within the framework of the invention.

Claims (1)

Vinkelanker for forandring av fjellbormaskiner til fjellet, karakterisert ved atAngle anchors for changing rock drilling machines to the mountain, characterized by vinkelankeret er utformet med en så lang tverrarm (2) at ankeret kan innsettes i et foregående borhull og på i og for seg kjent måte fastholdes i dette på grunn av tverrarmens (2) vektstangvirkning, og at tverrarmen (2) er forskyvbart anordnet i høyde-retningen på det forholdsvis lange ankerskaft (1), fortrinnsvis ved anvendelse av en glidehylse (3), med en slik dimensjone-ring av glidehylsen (3) ved klemvirkning holdes i innstilt høydestilling, idet den kjetting (5) eller liknende som forbinder bormaskinen (A-B) med ankeret (1, 2, 3), er innstillbar langs tverrarmen (2).the angle anchor is designed with such a long cross arm (2) that the anchor can be inserted into a preceding borehole and in a manner known per se is retained in this due to the lever action of the cross arm (2), and that the cross arm (2) is displaceably arranged in the height direction on the relatively long anchor shaft (1), preferably by using a sliding sleeve (3), with such a sizing ring, the sliding sleeve (3) is held in a set height position by clamping action, as the chain (5) or similar that connects the drilling machine (A-B) to the anchor (1, 2, 3) is adjustable along the cross arm (2).
NO155508A 1964-02-21 1964-11-10 NO122328B (en)

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US3405063A (en) * 1966-03-16 1968-10-08 Westinghouse Electric Corp Solid lubricant composition and process for its preparation
US3371038A (en) * 1966-10-10 1968-02-27 Air Force Usa Solid lubricant composition and method of manufacturing same
US3639237A (en) * 1969-05-14 1972-02-01 Exxon Research Engineering Co Extreme pressure greases
US3674690A (en) * 1969-07-08 1972-07-04 Us Air Force Air drying silicone resin bonded dry film lubricant
US3844953A (en) * 1971-04-19 1974-10-29 Midwest Research Inst Solid film lubricant with polyamide binder
US3833408A (en) * 1972-04-19 1974-09-03 Rca Corp Video discs having a methyl alkyl silicone coating
US3843529A (en) * 1972-08-10 1974-10-22 Dow Corning Metal working lubricant compositions
US4115606A (en) * 1976-06-11 1978-09-19 Continental Oil Company Method for retarding scale formation
DE2923579C2 (en) * 1979-06-11 1984-07-26 Geb. Zaprudskaja Alla Kronidovna Mitrofanova Anti-friction paste
DE3046012A1 (en) * 1980-12-05 1982-07-15 Omnikote GmbH Spezialschmierstoffe, 8000 München SOLID LUBRICANT AND ITS USE
US4584115A (en) * 1982-02-11 1986-04-22 The Lubrizol Corporation Method of preparing boron-containing compositions useful as lubricant additives
DE3245827A1 (en) * 1982-12-10 1984-06-28 Kobe Steel, Ltd., Kobe, Hyogo LUBRICANT FILM FOR PREVENTING EATING OF SLIDING METAL SURFACES
EP1200202B1 (en) 1999-08-12 2003-10-22 AlliedSignal Inc. Tungsten disulfide modified epoxy, high temperature/low friction/machinable

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US2615008A (en) * 1945-09-18 1952-10-21 Devoe & Raynolds Co Epoxide resin compositions
NL69124C (en) * 1945-11-02
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US3079338A (en) * 1959-01-26 1963-02-26 Caubet Jacques Jean Anti-friction material
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