EP2917487A2 - Schneidring für eine schneidrolle zum gesteinsabbau und schneidrolle zum gesteinsabbau - Google Patents
Schneidring für eine schneidrolle zum gesteinsabbau und schneidrolle zum gesteinsabbauInfo
- Publication number
- EP2917487A2 EP2917487A2 EP13777003.8A EP13777003A EP2917487A2 EP 2917487 A2 EP2917487 A2 EP 2917487A2 EP 13777003 A EP13777003 A EP 13777003A EP 2917487 A2 EP2917487 A2 EP 2917487A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- ring
- cutting ring
- roller
- cutting insert
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 208000004067 Flatfoot Diseases 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
- E21C25/18—Saws; Discs; Wheels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/12—Roller bits with discs cutters
Definitions
- the invention relates to a cutting ring of a cutting roller for rock excavation according to the preamble of claim 1 and a cutting roller for rock excavation.
- Such a cutting ring is known from US 7,401, 537 B1.
- the prior art cutting ring is equipped with holes formed by drilling, circumferentially closed cutting insert receptacles.
- cutting inserts are arranged, which are held by a press fit in the cutting insert receptacles.
- Intermediate sections lying between the cutting inserts are hardened by laser processing.
- the invention has for its object to provide a cutting ring of the type mentioned, which is characterized by a relatively long service life with a relatively simple production.
- the cutting insert receptacles are formed in the axial direction continuously and only in the circumferential direction with stop walls, the cutting inserts can be inserted in particular by inserting in the axial direction in the cutting insert record and fix it reliable. Further expedient embodiments of the invention are the subject of the dependent claims.
- FIG. 1 is a sectional view of an embodiment of a cutting roller for rock excavation with an embodiment of a cutting ring according to the invention
- FIG. 2 shows the embodiment of FIG. 1 in an end view
- Fig. 3 is a sectional view of another embodiment of a
- FIG. 4 shows the embodiment of FIG. 3 in an end view
- Fig. 5 shows the embodiment of FIG. 1 and FIG.
- FIG. 7 is an enlarged sectional view of the embodiment of FIG. 6th
- Fig. 1 shows in a sectional view an embodiment of an embodiment of a cutting roller 1 for rock excavation in particular by a tunnel boring machine having a fixed cutting roller axis 2.
- the cutting roller axis 2 carries a collar-side cover 3, which abuts against an annular shoulder 4 formed in an end region of the cutting roller axis 2. Between the collar-side cover 3 and the annular shoulder 4, a sealing ring 5 is arranged.
- the collar-side cover 3 carries a portion of a ring sealing unit 6 which revolves around the cutting roll axis 2 and rests with a further portion radially Au HY profession a first shaft bearing body 7 and abuts against a first seal carrier 8, the radial au z profession the first shaft bearing body 7 is arranged.
- a first cutting ring bearing body 9 is present, wherein between the first shaft bearing body 7 and the first cutting ring bearing body 9, a number of first bearing rollers 1 0 is arranged.
- the cutting roller axis 2 is enclosed by an upset ring 1, on whose side facing away from the first shaft bearing body 7 a second shaft bearing body 1 2 is arranged, like the first shaft bearing body 7 the cutting roller axis 2 encloses.
- a second cutting ring bearing body 1 3 is present, wherein between the second shaft bearing body 1 2 and the second cutting ring bearing body 1 3, a number of second bearing rollers 1 4 is arranged.
- a second ring sealing unit 1 5 is arranged, which rests with a portion on the second shaft bearing body 1 2 and on a radially au tex patron the second shaft bearing body 1 2 arranged second seal carrier 1 6 is present while another portion of the second ring sealing unit 1 5 in a on the side facing away from the upset ring 1 1 side of the second shaft bearing body 12 arranged threaded cover 17 engages.
- the thread-side cover 17 can be screwed by means of an edge shaft nut 18 onto an external thread formed on the cutting roll axis 2, so that the abovementioned components are fixed in the axial direction.
- roller body 19 is arranged, which engages with a radially pointing in the direction of the cutting roller axis 2 Zentrierschulter 20 between the first cutting ring bearing body 9 and the second cutting ring bearing body 13 and is fixedly connected to the first cutting ring bearing body 9 and the second cutting ring bearing body 13.
- the roller main body 19 is rotatable with respect to the cutting roller axis 2.
- An embodiment of a cutting ring 21 according to the invention which in the embodiment according to FIG Cutting ring stop shoulder 22 opposite side by a releasable locking ring 23, which in turn is arranged in turn in a formed in the roller body 19 Sich ceremoniessringnut 24, is fixed in the axial direction.
- the circlip 23 is thus detachably formed by the roller body 19 so that after removal of the locking ring 23 of the cutting ring 21 in the embodiment of FIG. 1 of the roller body 19 can be removed by pushing in the axial direction and thus interchangeable.
- the cutting ring 21 carries in a radially raised outer portion 25 a number of cutting inserts 26 made of a material which is harder than the material of the cutting ring 21.
- FIG. 2 shows in an end view the embodiment of a cutting roller 1 according to FIG. 1.
- the illustration according to FIG. 2 shows that the cutting inserts 26 are arranged uniformly spaced in the circumferential direction over the entire circumference of the cutting ring 21, with an intermediate web section 27 of the cutting ring 21 being present between adjacent cutting ring inserts 26.
- the cutting ring inserts 26 are arranged in the axial direction completely by the raised outer portion 25 of the cutting ring 21 extending cutting insert grooves 28 as cutting insert receptacles and axially on the outside and at least in the new state radially outwardly flush with the gutter sections 27 of the cutting ring 21 complete.
- FIG. 3 shows in a cross section another embodiment of a cutting roller 1 for rock excavation in particular by a tunnel boring machine, wherein in the embodiment of FIG. 1 and FIG. 2 and the embodiment of FIG. 3 corresponding elements provided with the same reference numerals and Avoid repetitions are not further explained below.
- the cutting ring 21 has three raised outer sections 25 which each carry a number of cutting sets 26.
- the 3 that the cutting ring 21 is solid and corresponding to the roller body 19 in the embodiment of FIG. 1 and FIG. 2 on the radial outer sides of the cover 3, 17, the seal carrier 8, 18 and the cutting ring bearing body. 9 , 13 is attached.
- FIG. 4 shows in an end view the embodiment of the cutting roller 1, it being apparent from the illustration according to FIG. 4 that the cutting insert grooves 28 are arranged in the outer sections 25 so that in each case three cutting insert grooves 28 are aligned with each other in different outer sections 25 in the axial direction , This orientation is convenient for manufacturing reasons.
- FIG. 5 shows a side view of the embodiments of cutting rollers 1 according to FIG. 1 to FIG. 4. It can be seen particularly clearly from the illustration according to FIG. 5 that the cutting inserts 26 are exposed axially on the outside.
- FIG. 6 shows in a detailed view of a cutting ring 21 according to the invention in the range of three cutting inserts 26 which are arranged in axially continuous cutting insert grooves 28 and spaced from each other by gutter sections 27 of the cutting ring 21. It can be seen particularly clearly from the illustration according to FIG. 6 that the cutting inserts 26 are flush with the outer contour flush with the intermediate web sections 27, so that the risk of excessive singular stresses on the cutting inserts 26 due to overhanging regions is excluded.
- FIG. 7 shows in a detailed sectional view a number of cutting inserts 26 arranged in cutting insert grooves 28. The illustration according to FIG. 7 shows that each cutting insert groove 28 is formed with a flat foot surface 29 to which On both sides in the circumferential direction of the cutting roller 21 rounded transition surfaces 30, 31 connect. The transition surfaces 30, 31 are continued on their side facing away from the foot surface 29 by in turn planar radial side surfaces 32, 33 which each run to the center of the circle defined by the cutting ring 21.
- annular step surfaces 34, 35 are formed, which extend outward in the circumferential direction of the cutting roller 21.
- Wedge side surfaces 36, 37 which extend in the radial direction as far as the radial outer side of the cutting ring 21, adjoin the ends of the annular step surfaces 34, 35 lying in the circumferential direction.
- the wedge-side surfaces 36, 37 of a cutting insert groove 28 are aligned inclined from radially inward to radially outward, so that a cutting insert 26, which is inserted into the cutting insert groove 28 in the axial direction and is complementary to the cutting insert grooves 28, is held in the radial direction of the cutting ring 21 ,
- the cutting insert grooves 28 are provided with solder layers 38 which, after appropriate heating of the cutting ring 21 in the area of the cutting insert grooves 28 and the cutting inserts 26, ensure a secure connection.
- the cutting inserts 26 are fixed only with their peripheral outer sides, which are subject to relatively little wear. Furthermore, wear of the cutting ring 21 essentially takes place in the intermediate web sections 27, so that the cutting inserts 26 form a tooth structure. tur form and the gutter sections 27 protect against further excessive wear ß.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Turning (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012220434.2A DE102012220434A1 (de) | 2012-11-09 | 2012-11-09 | Schneidring für eine Schneidrolle zum Gesteinsabbau und Schneidrolle zum Gesteinsabbau |
PCT/EP2013/071054 WO2014072146A2 (de) | 2012-11-09 | 2013-10-09 | Schneidring für eine schneidrolle zum gesteinsabbau und schneidrolle zum gesteinsabbau |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2917487A2 true EP2917487A2 (de) | 2015-09-16 |
EP2917487B1 EP2917487B1 (de) | 2017-06-21 |
Family
ID=49378253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13777003.8A Active EP2917487B1 (de) | 2012-11-09 | 2013-10-09 | Schneidring für eine schneidrolle zum gesteinsabbau und schneidrolle zum gesteinsabbau |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150285073A1 (de) |
EP (1) | EP2917487B1 (de) |
JP (1) | JP2015535557A (de) |
AU (1) | AU2013343775A1 (de) |
CA (1) | CA2886925A1 (de) |
DE (1) | DE102012220434A1 (de) |
WO (1) | WO2014072146A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017205756A1 (de) | 2017-04-04 | 2018-10-04 | Implenia Construction GmbH | Schneidrolle |
CN108115849A (zh) * | 2017-12-04 | 2018-06-05 | 太原理工大学 | 一种小孔道内预制裂缝切割装置 |
DE102018005972A1 (de) | 2018-07-20 | 2020-01-23 | Hydac Technology Gmbh | Schneidrolle |
DE102021102833A1 (de) * | 2021-02-08 | 2022-08-11 | Aktiebolaget Skf | Schneidringanordnung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US816768A (en) * | 1905-11-11 | 1906-04-03 | Harriet M Young | Stone-cutting saw. |
US2121202A (en) * | 1935-03-19 | 1938-06-21 | Robert J Killgore | Rotary bit |
ZA723776B (en) * | 1972-06-02 | 1974-01-30 | Hard Metals Ltd | Disc cutting unit for use on rock boring machines |
ZA744897B (en) * | 1974-07-31 | 1976-05-26 | Board Hardmetal Proprietary Lt | Improvements in or relating to disc cutting units for use on rock boring machines |
JPS6225699A (ja) * | 1985-07-26 | 1987-02-03 | 日立造船株式会社 | 刃付部材及びその製作方法 |
US5785135B1 (en) * | 1996-10-03 | 2000-05-02 | Baker Hughes Inc | Earth-boring bit having cutter with replaceable kerf ring with contoured inserts |
JPH11223090A (ja) * | 1998-02-05 | 1999-08-17 | Toshiba Tungaloy Co Ltd | 掘削用のカッタリング及び掘削用のディスクカッタ |
JP2000064789A (ja) * | 1998-08-26 | 2000-02-29 | Mitsubishi Materials Corp | ローラーカッタ |
JP2004122300A (ja) * | 2002-10-03 | 2004-04-22 | Tenryu Saw Mfg Co Ltd | 回転鋸 |
US7401537B1 (en) | 2004-03-23 | 2008-07-22 | David Krauter | Cutter insert gum modification method and apparatus |
-
2012
- 2012-11-09 DE DE102012220434.2A patent/DE102012220434A1/de not_active Withdrawn
-
2013
- 2013-10-09 EP EP13777003.8A patent/EP2917487B1/de active Active
- 2013-10-09 CA CA2886925A patent/CA2886925A1/en not_active Abandoned
- 2013-10-09 WO PCT/EP2013/071054 patent/WO2014072146A2/de active Application Filing
- 2013-10-09 AU AU2013343775A patent/AU2013343775A1/en not_active Abandoned
- 2013-10-09 US US14/437,094 patent/US20150285073A1/en not_active Abandoned
- 2013-10-09 JP JP2015541062A patent/JP2015535557A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2014072146A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014072146A2 (de) | 2014-05-15 |
US20150285073A1 (en) | 2015-10-08 |
DE102012220434A1 (de) | 2014-06-12 |
WO2014072146A3 (de) | 2014-11-20 |
AU2013343775A1 (en) | 2015-04-23 |
EP2917487B1 (de) | 2017-06-21 |
JP2015535557A (ja) | 2015-12-14 |
CA2886925A1 (en) | 2014-05-15 |
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