DE3232878A1 - Radial rotary transmission leadthrough - Google Patents
Radial rotary transmission leadthroughInfo
- Publication number
- DE3232878A1 DE3232878A1 DE19823232878 DE3232878A DE3232878A1 DE 3232878 A1 DE3232878 A1 DE 3232878A1 DE 19823232878 DE19823232878 DE 19823232878 DE 3232878 A DE3232878 A DE 3232878A DE 3232878 A1 DE3232878 A1 DE 3232878A1
- Authority
- DE
- Germany
- Prior art keywords
- radial
- radial rotary
- rotating part
- fixed housing
- transmission leadthrough
- 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.)
- Ceased
Links
- 230000005540 biological transmission Effects 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/23—Distribution of spraying-fluids in rotating cutter-heads
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
Abstract
Description
Die Erfindung betrifft eine RadialdrehdurchführungThe invention relates to a radial rotary feedthrough
für Druckmedien, die von einem festen Gehäuse in ein rotierendes Teil überführt werden.for print media moving from a fixed housing into a rotating part be convicted.
Beim Einsatz von Schrämmaschinen im Untertageeinsatz ist zur Funken- und Staubbekämpfung eine Wasserbedüsung der Schrämmeißel notwendig. Hierbei wird mit einem Druck von 40 bis 200 bar gearbeitet und es ergeben sich bei der Durchführung vom festen Gehäuse zum rotierenden Teil erhebliche Abdichtungsprobleme.When using cutting machines in underground operations, spark and dust control, water spraying of the chipping bits is necessary. Here is worked with a pressure of 40 to 200 bar and it results in the implementation from the fixed housing to the rotating part significant sealing problems.
Aufgabe der Erfindung ist es eine Radialdrehdurchführung zu schaffen, die auch bei hohen Drucken eine einwandfreie Abdichtung und damit Trennung der Ölschmierung vom Druckmedium gewährleistet.The object of the invention is to create a radial rotary feedthrough, which, even at high pressures, ensure perfect sealing and thus separation of the oil lubrication guaranteed by the print medium.
Gelöst wird diese Aufgabe durch die im Kennzeichen des Patentanspruchs angegebenen Merkmale.This problem is solved by the characterizing part of the claim specified features.
Durch das Zusammenwirken, a.h. das axiale Gegeneinanderwirken von jeweils zwei Gleitringdichtungen entsteht zwischen diesen eine Radialdrehdurchführung deren Drehzahlgrenze allein durch die zulässige Gleitgeschwindigkeit der Stahlgleitflächen begrenzt ist. Durch die Ö1-oder Fettschmierung der Innenkeilflächen der Dichtungen wird deren Lebensdauer vergrößert und durch den Druck des Mediums, das in der Durchführung strömt, wird der axiale Anpreßdruck der Gummiringe an die Stahlringe erhöht, wodurch die Dichtwirkung vergrößert wird.By working together, a.h. the axial counteraction of a radial rotary feedthrough is created between each two mechanical seals their speed limit solely through the permissible sliding speed of the steel sliding surfaces is limited. Through the oil or grease lubrication of the inner wedge surfaces of the seals their lifespan is increased and by the pressure of the medium that is in the implementation flows, the axial contact pressure of the rubber rings on the steel rings is increased, whereby the sealing effect is increased.
Die Erfindung soll nachfolgend anhand der Zeichnung erläutert werden, wobei die Drehdurchführung in einem Längsschnitt gezeigt ist.The invention is to be explained below with reference to the drawing, wherein the rotary leadthrough is shown in a longitudinal section.
Durch ein festes Gehäuse 1 wird ein Druckmedium -beispielsweise Kühlwasser für einen Schrämmeißel -zu einem rotierenden Teil 2 geführt und axial durch dieses abgeführt.A pressure medium, for example cooling water, is fed through a fixed housing 1 for a cutting chisel -to a rotating part 2 and axially through this discharged.
Beiderseits der Radialdurchführung 3 sind an sich bekannte axial gegeneinander wirkende Gleitringdichtungspaare vorgesehen, die aus Stahlgleitflächen 5, 6 bzw. 7, 8 und Gummidichtungen 9, 10; 11, 12 bestehen, wobei die angrenzenden Flächen der Gleitringdichtungen 4 des einen Paares axial gegeneinander wirken und die Innenkeilflächen 5, 6 der Gleitringdichtungen 4 mit Ö1 oder Fett geschmiert werden.Both sides of the radial leadthrough 3 are known per se axially against one another acting mechanical seal pairs are provided, which are made of steel sliding surfaces 5, 6 or 7, 8 and rubber seals 9, 10; 11, 12 are made, with the adjacent surfaces of the mechanical seals 4 of the one pair act axially against one another and the inner wedge surfaces 5, 6 of the mechanical seals 4 are lubricated with oil or grease.
Radial von außen werden die Gummiring vom Druckmedium beaufschlagt. Der Mediumdruck (Wasserdruck) erhöht die Anpreßwirkung, so daß weder Ö1 austreten noch Wasser eintreten kann. Auf diese Weise kann auch bei hohem Mediumdruck eine einwandfreie Abdichtung gewährleistet werden.The pressure medium acts on the rubber rings radially from the outside. The medium pressure (water pressure) increases the contact pressure so that neither oil escapes water can still enter. In this way, a perfect sealing can be guaranteed.
Zusammenfassung Leerseitesummary Blank page
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823232878 DE3232878A1 (en) | 1982-09-02 | 1982-09-02 | Radial rotary transmission leadthrough |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823232878 DE3232878A1 (en) | 1982-09-02 | 1982-09-02 | Radial rotary transmission leadthrough |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3232878A1 true DE3232878A1 (en) | 1984-03-08 |
Family
ID=6172442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823232878 Ceased DE3232878A1 (en) | 1982-09-02 | 1982-09-02 | Radial rotary transmission leadthrough |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3232878A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0180573A1 (en) * | 1984-10-24 | 1986-05-07 | VOEST-ALPINE Aktiengesellschaft | Device for feeding a liquid under pressure to a rotating machine part |
EP0194561A1 (en) * | 1985-03-07 | 1986-09-17 | Rudolf Hausherr & Söhne GmbH & Co KG | Turning connection |
WO2014134981A1 (en) * | 2013-03-06 | 2014-09-12 | 中国矿业大学 | Multipoint sealing device for auxiliary high-pressure water-jet of mining equipment cutting mechanism |
CN104948185A (en) * | 2015-07-15 | 2015-09-30 | 张文涛 | Multi-stage mechanical sealing type internal spray rotating water sealing device of heading machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2810982A1 (en) * | 1978-03-14 | 1979-09-27 | Gewerk Eisenhuette Westfalia | CONTROL DEVICE FOR INDOOR JUMPER ROLLERS |
DE2906176A1 (en) * | 1979-02-17 | 1980-12-04 | Demag Ag Mannesmann | Underground part cut machine cutter head - has water spray device and ring seal in duct, embracing head mounting, sealing perforated channel |
DE2944919A1 (en) * | 1979-11-07 | 1981-10-08 | Mannesmann AG, 4000 Düsseldorf | Mine part cut machine tool spray water supply - has protruding ring flanges pressing sealing faces together, and pressure faces |
-
1982
- 1982-09-02 DE DE19823232878 patent/DE3232878A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2810982A1 (en) * | 1978-03-14 | 1979-09-27 | Gewerk Eisenhuette Westfalia | CONTROL DEVICE FOR INDOOR JUMPER ROLLERS |
DE2906176A1 (en) * | 1979-02-17 | 1980-12-04 | Demag Ag Mannesmann | Underground part cut machine cutter head - has water spray device and ring seal in duct, embracing head mounting, sealing perforated channel |
DE2944919A1 (en) * | 1979-11-07 | 1981-10-08 | Mannesmann AG, 4000 Düsseldorf | Mine part cut machine tool spray water supply - has protruding ring flanges pressing sealing faces together, and pressure faces |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0180573A1 (en) * | 1984-10-24 | 1986-05-07 | VOEST-ALPINE Aktiengesellschaft | Device for feeding a liquid under pressure to a rotating machine part |
EP0194561A1 (en) * | 1985-03-07 | 1986-09-17 | Rudolf Hausherr & Söhne GmbH & Co KG | Turning connection |
WO2014134981A1 (en) * | 2013-03-06 | 2014-09-12 | 中国矿业大学 | Multipoint sealing device for auxiliary high-pressure water-jet of mining equipment cutting mechanism |
RU2615546C1 (en) * | 2013-03-06 | 2017-04-05 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Multipoint sealing device of auxiliary high-pressure water jet for cutting mechanism used in mining equipment |
CN104948185A (en) * | 2015-07-15 | 2015-09-30 | 张文涛 | Multi-stage mechanical sealing type internal spray rotating water sealing device of heading machine |
CN104948185B (en) * | 2015-07-15 | 2017-03-29 | 张文涛 | The sealed development machine internal spraying of multi-stage mechanical rotates water sealing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8131 | Rejection |