DE3008974C2 - Electric control device for underground longwall structures - Google Patents
Electric control device for underground longwall structuresInfo
- Publication number
- DE3008974C2 DE3008974C2 DE3008974A DE3008974A DE3008974C2 DE 3008974 C2 DE3008974 C2 DE 3008974C2 DE 3008974 A DE3008974 A DE 3008974A DE 3008974 A DE3008974 A DE 3008974A DE 3008974 C2 DE3008974 C2 DE 3008974C2
- Authority
- DE
- Germany
- Prior art keywords
- intrinsically safe
- control
- control device
- expansion
- longwall
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000004880 explosion Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Safety Devices In Control Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
Das dort beschriebene elektro-hydraulische Steuer- 35 Nachfolgend wird ein Ausführungsbeispiei der Erfinsystem weist eine eigensichere Versorgungseinheit im dung anhand einer vereinfachten Zeichnung näher beBereich der Hauptstrecke auf. schrieben.The electro-hydraulic control system described there is an exemplary embodiment of the invention system below shows an intrinsically safe supply unit on the basis of a simplified drawing the main line on. wrote.
Die einzelnen Ausbaugestelle werden über eine ein- Die Zeichnung zeigt in der Draufsicht mehrere an-The individual support racks are shown in the top view of the drawing shows several
gensichere 12 Volt-Versorgungsleitung von dieser Ver- deutungsweise dargestellte, nebeneinander angeordne-genetically safe 12 volt supply line shown in this way, arranged side by side
sorgungseinheit gespeist. 40 te Ausbaurahmen 1 bis 6, wobei die Streblängsrichtungsupply unit fed. 40 th expansion frames 1 to 6, with the longitudinal direction of the face
Nachteilig bei einem solchen Steuersystem ist vor al- mit 7 und die Abbaurichtung mit 8 bezeichnet ist.A disadvantage of such a control system is above al- with 7 and the dismantling direction with 8.
lern die lange Versorgungsleitung. Angesichts der ver- Die Ausbaurahmen 1 bis 3 sowie 4 bis 6 sind jeweilslearn the long supply line. The expansion frames 1 to 3 and 4 to 6 are each
hältnismäßig niedrigen Werte treten bei längeren Ver- zu einer Steuergruppe zusammengefaßt. Die Bewe-Relatively low values are combined in a tax group for longer periods of time. The moving
sorgungsleitungen Leitungsverluste solcher Größe auf, gungsabläufe dieser Gruppen werden jeweils durch einesupply lines Line losses of such magnitude, supply processes of these groups are each through a
j daß eine störungsfreie Funktion der Befehlsempfänger 45 Schaltelektronik 9 gesteuert, die ihrerseits über eine Be-j that a trouble-free function of the command receiver 45 switching electronics 9 controlled, which in turn via a loading
>$ bzw. weiterer Steuergeräte, wie z. B. eigensicherer Ma- fehlsleitung 11, z. B. eine lichtführende Glasfaserleitung,> $ or other control devices, such as B. intrinsically safe male line 11, z. B. a light-conducting fiber optic cable,
pi gnetventile, nicht gewährleistet ist. angesteuert werden kann. Die Schaltelektronik 9 ist pi solenoid valves, is not guaranteed. can be controlled. The switching electronics 9 is
[!>. Man könnte diese langen, eigensicheren Versor- über weitere Leitungen 12 mit den eigensicheren Ma- [!>. You could use these long, intrinsically safe supply via further lines 12 with the intrinsically safe ma
jv gungsleitungen vermeiden, indem man diese Versor- gnetventilen der Ausbaugestelle verbunden.Avoid supply lines by connecting these supply valves to the racks.
ά gungsleitung in mehrere eigensichere Versorgungslei- 50 Die Stromversorgung für die Schaltelektronik 9 wird ά supply line into a plurality of intrinsically safe Versorgungslei- 50. The power supply for the switching electronics 9
tungsabschnitte aufteilt. Zu diesem Zweck müssen in die der elektrischen Leitung 13 für die Strebbeleuchtungdividing sections. For this purpose, the electrical line 13 must be used for the face lighting
[ν Versorgungsleitung eigensichere Transformatoren, wie entnommen. Hierzu ist die Schaltelektronik 9 durch eine[ν Supply line for intrinsically safe transformers, as taken. For this purpose, the switching electronics 9 by a
I'' sie z. B. in der Zeitschrift »Glückauf« (Ausgabe Septem- Leitung 14 mit einer den Strom in der Leitung 13 aufI '' she z. B. in the magazine "Glückauf" (September issue - line 14 with a current in line 13 on
ber 1957, Seite 1148 ff.) beschrieben sind, eingebaut wer- eigensichere Werte wandelnden Einrichtung 15 verbun-ber 1957, page 1148 ff.) are described, built-in intrinsically safe values converting device 15 connected
f-f den. Dies wird jedoch schon deshalb als nachteilig emp- 55 den, die an die Leitung 13 angeschlossen ist. Die Einrich- ff the. However, this is felt to be disadvantageous for that reason alone, which is connected to the line 13. The facility
funden, weil solche Transformatoren einerseits zugang- tung 15 ist im Gehäuse 16 der am nächsten liegendenfound because such transformers on the one hand access 15 in the housing 16 of the one closest to it
■ lieh und andererseits geschützt angeordnet sein müssen, Streblampe 17 angeordnet. Die Abzweigung der Ein-■ borrowed and on the other hand must be arranged protected, Streblampe 17 arranged. The junction of the one
■'■ was bei der Raumknappheit im Streb und angesichts der richtung 15 erfolgt ebenfalls im Streblampen-GehäuseWhat with the shortage of space in the face and in view of the direction 15 is also done in the face lamp housing
schon vorhandenen Vielzahl von Leitungen schwierig 16, wobei die von der Einrichtung 15 ausgehende Lei-already existing multitude of lines difficult 16, whereby the line going out from the device 15
ist. 60 tung 14 in ihrem weiteren Verlauf das Gehäuse 16is. 60 device 14 in its further course the housing 16
Zum weiteren Stand der Technik ist auf die DE-OS durchdringt.The DE-OS pervades the further prior art.
26 44 416 hinzuweisen. Diese Literaturstelle betrifft ein 26 44 416 should be pointed out. This reference relates to a
eigensicheres Koppelglied zur Steuerung elektrischer Hierzu 1 Blatt Zeichnungen
Maschinen in Schlagwetter- oder explosionsgefährdeterintrinsically safe coupling element for controlling electrical For this purpose 1 sheet of drawings
Machines in firedamp or potentially explosive
Umgebung. Das Koppelglied weist mehrere Eingänge 65
.. für eigensichere Steuerleitungen auf. Die Eingangssi-
:'■' gnale dieser eigensicheren Steuerleitungen werden in-
'■'. nerhalb des Koppelgliedes logisch verknüpft und lösenSurroundings. The coupling element has several inputs 65
.. for intrinsically safe control lines. The entrance
: '■' signals of these intrinsically safe control lines are
'■'. Logically linked and released within the coupling link
Claims (1)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3008974A DE3008974C2 (en) | 1980-03-08 | 1980-03-08 | Electric control device for underground longwall structures |
AU67593/81A AU544377B2 (en) | 1980-03-08 | 1981-02-24 | Mining equipment control system |
ZA00811287A ZA811287B (en) | 1980-03-08 | 1981-02-26 | Improvements in control systems for controlling the operation of mining equiment |
GB8106453A GB2071439B (en) | 1980-03-08 | 1981-03-02 | Control systems for controlling the operation of mining equipment |
JP3140481A JPS56146600A (en) | 1980-03-08 | 1981-03-06 | Electric controller for underground mining machine, working face conveyor and/or working face support |
FR8104531A FR2477626A1 (en) | 1980-03-08 | 1981-03-06 | ELECTRICAL CONTROL DEVICE FOR UNDERGROUND MACHINES FOR THE EXTRACTION OF ORES, SIZE-CONTAINING BANDS, AND / OR SIZE-CONTAINING ELEMENTS OR THE LIKE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3008974A DE3008974C2 (en) | 1980-03-08 | 1980-03-08 | Electric control device for underground longwall structures |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3008974A1 DE3008974A1 (en) | 1981-09-24 |
DE3008974C2 true DE3008974C2 (en) | 1985-10-03 |
Family
ID=6096638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3008974A Expired DE3008974C2 (en) | 1980-03-08 | 1980-03-08 | Electric control device for underground longwall structures |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS56146600A (en) |
AU (1) | AU544377B2 (en) |
DE (1) | DE3008974C2 (en) |
FR (1) | FR2477626A1 (en) |
GB (1) | GB2071439B (en) |
ZA (1) | ZA811287B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7320625B2 (en) | 2004-07-26 | 2008-01-22 | Dbt Gmbh | Control device for electrohydraulic support controller |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2797760B1 (en) | 1999-08-30 | 2002-03-29 | Trophy Radiologie | PROCESS FOR OBTAINING A RADIOGRAPHIC IMAGE OF A TOOTH AND ITS ENVIRONMENT, AND DEVICES FOR IMPLEMENTING THIS PROCESS |
CN105840237B (en) * | 2016-05-30 | 2017-10-17 | 中冶北方(大连)工程技术有限公司 | Mine trackless internal combustion apparatus fine ore cleaning system and cleaning technology |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1085274A (en) * | 1964-02-07 | 1967-09-27 | Gullick Ltd | Improvements in or relating to mine roof supports and the operation thereof |
FR1459333A (en) * | 1965-10-12 | 1966-04-29 | Dowty Electrics Ltd | Mine roof support set |
US3445679A (en) * | 1966-12-15 | 1969-05-20 | Square D Co | Intrinsically safe electrical control system |
DE2628023A1 (en) * | 1976-06-23 | 1977-12-29 | Bergwerksverband Gmbh | Data transmission system for coalface - uses stray current cable and fixed and mobile transmitters at face stations |
DE2629226C3 (en) * | 1976-06-25 | 1981-02-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Measuring device for flameproof switchgear assemblies |
DE2640954C2 (en) * | 1976-09-11 | 1985-09-05 | Bergwerksverband Gmbh, 4300 Essen | Device for the transmission of signals |
DE2644416B2 (en) * | 1976-09-29 | 1978-09-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Intrinsically safe coupling link |
-
1980
- 1980-03-08 DE DE3008974A patent/DE3008974C2/en not_active Expired
-
1981
- 1981-02-24 AU AU67593/81A patent/AU544377B2/en not_active Ceased
- 1981-02-26 ZA ZA00811287A patent/ZA811287B/en unknown
- 1981-03-02 GB GB8106453A patent/GB2071439B/en not_active Expired
- 1981-03-06 FR FR8104531A patent/FR2477626A1/en active Granted
- 1981-03-06 JP JP3140481A patent/JPS56146600A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7320625B2 (en) | 2004-07-26 | 2008-01-22 | Dbt Gmbh | Control device for electrohydraulic support controller |
Also Published As
Publication number | Publication date |
---|---|
ZA811287B (en) | 1982-03-31 |
FR2477626A1 (en) | 1981-09-11 |
GB2071439A (en) | 1981-09-16 |
AU6759381A (en) | 1981-09-17 |
AU544377B2 (en) | 1985-05-23 |
DE3008974A1 (en) | 1981-09-24 |
JPS56146600A (en) | 1981-11-14 |
FR2477626B1 (en) | 1984-04-06 |
GB2071439B (en) | 1984-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: E21F 17/18 |
|
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GEWERKSCHAFT EISENHUETTE WESTFALIA GMBH, 4670 LUEN |
|
8365 | Fully valid after opposition proceedings | ||
8330 | Complete disclaimer |