SE460077B - Adjustment of rock drilling machine feeder beam - Google Patents
Adjustment of rock drilling machine feeder beamInfo
- Publication number
- SE460077B SE460077B SE8704190A SE8704190A SE460077B SE 460077 B SE460077 B SE 460077B SE 8704190 A SE8704190 A SE 8704190A SE 8704190 A SE8704190 A SE 8704190A SE 460077 B SE460077 B SE 460077B
- Authority
- SE
- Sweden
- Prior art keywords
- feed beam
- transmitters
- receivers
- transmitter
- electromagnetic
- Prior art date
Links
- 239000011435 rock Substances 0.000 title claims description 9
- 238000005553 drilling Methods 0.000 title description 7
- 230000010355 oscillation Effects 0.000 abstract 3
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
- G01S5/186—Determination of attitude
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
Description
460 077 denna uppställning kan man ta sig fram med borrningen 10-15 m innan en ny uppmontering av mikrofonerna behöver göras. Mikrofonernas placering i tunnelns lângsriktning bestäms med måttband. De sändare/mottagare som sitter på borriggens matarbalk utgöres lämpligen av ultraljudsgeneratorer. 460 077 this setup can be reached with the drilling 10-15 m before a new mounting of the microphones needs to be done. The position of the microphones in the longitudinal direction of the tunnel is determined by measuring tape. The transmitters / receivers located on the drilling rig's feed beam are suitably made of ultrasonic generators.
Vid det praktiska utövandet av uppfinningen utnyttjar man lämpligen en mikroprocessor med tillhörande minne för lagring av de olika uppmätta gàngtiderna samt för beräkning av hur matarbalken skall styras för att det förutbestämda läget och den förutbestämda riktningen skall erhållas. Ett sådant system kan styra presentationen av matarbalkens läge på en display eller i ett mer automatiserat system direktstyra borriggen så att borrníngen kan ske helautomatiskt.In the practice of the invention, a microprocessor with associated memory is suitably used for storing the various measured running times and for calculating how the feed beam is to be controlled in order to obtain the predetermined position and the predetermined direction. Such a system can control the presentation of the position of the feed beam on a display or in a more automated system directly control the drilling rig so that drilling can take place fully automatically.
Ett utföringsexempel av uppfinningen beskrivs nedan med hänvisning till bifogade ritning som schematiskt visar en gruvort och en däri placerad matarbalk med mätutrustning för utövande av uppfinningen.An embodiment of the invention is described below with reference to the accompanying drawing which schematically shows a mining site and a feed beam placed therein with measuring equipment for practicing the invention.
Pâ ritningen visas en bergkropp 21 i vilken ett bergrum 22 är utsprängt. Dà uppfinningen utövas alstras tre elektromagnetiska strålar, exempelvis laserstrálar, 33,34,35 i förutbestämda, företrädesvis parallella, riktningar med förutbestämda lägen. En mikrofon 13,14 resp 15 placeras i var och en av de elektromagnetiska strålarna. För att få mikrofonerna i ett gemensamt plan utnyttjas ett ej visat vridbart vinkelprisma. På detta sätt kan man lätt åstadkomma ett mikrofonplan som är parallellt med ett annat mikrofonplan beläget på avstånd. I bergrummet 22 är en borrigg, av vilken matarbalken 12 visas, placerad. Matarbalken är försedd med en längs matarbalken fram och åter rörlig bergborrmaskin ll. Pâ matarbalken finns tvâ ultraljudsändare l6,l7. Genom mätning av gángtíden för ultraljudet mellan var och en av ljudsàndarna och var och en av mikrofonerna bestäms ultraljudsändarnas lägen i rummet. Härigenom är matarbalkens läge och riktning i rummet bestämda. Matarbalken manövreras därefter, manuellt eller automatiskt, sa att ultraljudsändarna hamnar i förutbestämda lägen i förhållande till ett för bergkroppen 21 gemensamt koordinatsystem.The drawing shows a rock body 21 in which a rock chamber 22 is blasted out. When the invention is practiced, three electromagnetic rays are generated, for example laser beams, 33,34,35 in predetermined, preferably parallel, directions with predetermined positions. A microphone 13, 14 and 15, respectively, is placed in each of the electromagnetic beams. To get the microphones in a common plane, a rotatable angle prism (not shown) is used. In this way, one can easily provide a microphone plane which is parallel to another microphone plane located at a distance. In the rock space 22, a drilling rig, of which the feed beam 12 is shown, is placed. The feed beam is provided with a rock drilling machine ll reciprocating along the feed beam ll. There are two ultrasonic transmitters l6, l7 on the feed beam. By measuring the travel time of the ultrasound between each of the sound transmitters and each of the microphones, the positions of the ultrasonic transmitters in the room are determined. In this way, the position and direction of the feed beam in the room are determined. The feed beam is then operated, manually or automatically, so that the ultrasonic transmitters end up in predetermined positions in relation to a coordinate system common to the rock body 21.
Gångtiderna mellan sändaren 16 och de olika mikrofonerna representeras av längderna på sträckorna 63,64 och 65. Gångtiderna mellan sändaren 17 och de olika mikrofonerna representeras av längderna pà sträckorna 73,76 och 75.The running times between the transmitter 16 and the different microphones are represented by the lengths of the sections 63,64 and 65. The running times between the transmitter 17 and the different microphones are represented by the lengths of the sections 73,76 and 75.
Där så är önskvärt utförs mätningarna och beräkningarna av lägen och 460 077 riktningar samt eventuell automatisk ínriktnig av matarbalken med hjälp av en mikroprocessor.Where desired, the measurements and calculations of positions and 460,077 directions as well as any automatic alignment of the feed beam are performed by means of a microprocessor.
Claims (1)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704190A SE460077B (en) | 1987-10-28 | 1987-10-28 | Adjustment of rock drilling machine feeder beam |
FI884970A FI884970A (en) | 1987-10-28 | 1988-10-27 | FOERFARANDE FOER INSTAELLNING AV EN MED EN BERGBORRMASKIN FOERSEDD MATARBALK. |
AU24378/88A AU604573B2 (en) | 1987-10-28 | 1988-10-27 | A method of positioning a feed beam provided with a rock drilling machine |
CA000581413A CA1332968C (en) | 1987-10-28 | 1988-10-27 | Method of positioning a feed beam provided with a rock drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704190A SE460077B (en) | 1987-10-28 | 1987-10-28 | Adjustment of rock drilling machine feeder beam |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8704190D0 SE8704190D0 (en) | 1987-10-28 |
SE8704190L SE8704190L (en) | 1989-04-29 |
SE460077B true SE460077B (en) | 1989-09-04 |
Family
ID=20370030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8704190A SE460077B (en) | 1987-10-28 | 1987-10-28 | Adjustment of rock drilling machine feeder beam |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU604573B2 (en) |
CA (1) | CA1332968C (en) |
FI (1) | FI884970A (en) |
SE (1) | SE460077B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996022547A2 (en) * | 1995-01-20 | 1996-07-25 | Tamrock Oy | A method for determining the position of a tool of a rock drill |
-
1987
- 1987-10-28 SE SE8704190A patent/SE460077B/en not_active IP Right Cessation
-
1988
- 1988-10-27 CA CA000581413A patent/CA1332968C/en not_active Expired - Fee Related
- 1988-10-27 FI FI884970A patent/FI884970A/en not_active Application Discontinuation
- 1988-10-27 AU AU24378/88A patent/AU604573B2/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996022547A2 (en) * | 1995-01-20 | 1996-07-25 | Tamrock Oy | A method for determining the position of a tool of a rock drill |
WO1996022547A3 (en) * | 1995-01-20 | 1996-09-12 | Tamrock Oy | A method for determining the position of a tool of a rock drill |
Also Published As
Publication number | Publication date |
---|---|
CA1332968C (en) | 1994-11-08 |
AU604573B2 (en) | 1990-12-20 |
AU2437888A (en) | 1989-05-04 |
FI884970A0 (en) | 1988-10-27 |
SE8704190D0 (en) | 1987-10-28 |
SE8704190L (en) | 1989-04-29 |
FI884970A (en) | 1989-04-29 |
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