EP1776506A1 - Sandwich-Räumleiste mit Hartmetallkern - Google Patents
Sandwich-Räumleiste mit HartmetallkernInfo
- Publication number
- EP1776506A1 EP1776506A1 EP05752722A EP05752722A EP1776506A1 EP 1776506 A1 EP1776506 A1 EP 1776506A1 EP 05752722 A EP05752722 A EP 05752722A EP 05752722 A EP05752722 A EP 05752722A EP 1776506 A1 EP1776506 A1 EP 1776506A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- sandwich
- hard metal
- sandwich scraper
- metal core
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000005060 rubber Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims 2
- 229910052593 corundum Inorganic materials 0.000 description 5
- 239000010431 corundum Substances 0.000 description 5
- 239000010426 asphalt Substances 0.000 description 4
- -1 carbide Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical group [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
- E01H5/06—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades
- E01H5/061—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades by scraper blades
Definitions
- the present invention relates to a sandwich scraper blade for the snow blade of a snow plow, which is provided at the top with a steel mounting neck, on which a rubber body is vulcanized with at least one embedded hard material body.
- a sandwich scraper is known from DE 34 04 030 C1.
- the hard material bodies of the aforementioned sandwich scraper are rod-shaped or plate-shaped molded bodies, which preferably consist of sintered or cast corundum. Such sandwich scrapers have proven to be excellent.
- a scraper blade for a construction machine or snow plow shield which has a steel scraper bar on the underside of which a plurality of steel segments are screwed.
- the steel segments are preferably forged from a tool steel having a higher wear resistance than the steel of the scraper. In the area of the wear surface facing the ground, V-shaped cemented carbide cores are inserted into the steel segments.
- the present invention has for its object to provide a scraper, which is exposed to low wear, has a correspondingly long service life, does not damage the road surface and is also suitable for blackout of the road.
- the hard metal core must be firmly anchored in the steel shell. This can be non-positively - such as by shrinking - and / or cohesively - such as by soldering - done.
- a further advantage of the use according to the invention of a steel jacket is better heat distribution.
- the rubbing of the carbide core on the asphalt produces a lot of heat, which is transferred from the steel to the rubber via large surface areas.
- local overheating of the rubber is avoided, resulting in significantly less wear than when directly embedding hard metal cores in the rubber.
- Carbides are comparatively expensive materials.
- the cost of the sandwich scraper can be significantly reduced by using carbide cores made from recycled carbide. This is processed waste material from worn tools of machining.
- the steel shell or the hard metal core is formed as a rod-shaped or plate-shaped molded body, which extends at best over the entire wear height of the sandwich scraper.
- Carbide core and steel jacket should together occupy a high surface area of the wear surface of the rubber body. Their area share should amount to at least 20%.
- the sandwich scraper bar is particularly stiff and removes even stuck and verharschten snow residue from the asphalt surface.
- the rubber body of the sandwich scraper is covered from both sides with steel plates, it is recommended for reasons of weight, to dispense with a separate mounting neck and instead to use at least one of the two steel plates at the same time as a mounting neck.
- the wear surface is composed in cross section of a seven-layer sandwich.
- the individual layers are - contrary to the direction of advance of the plow blade - the steel of the rear steel plate, the rubber of the rubber body, the steel of the steel shell, the hard metal of the hard metal core, the steel of the steel shell, the rubber of the rubber body and the steel of the front steel plate.
- the sandwich is therefore symmetrical and effectively protects the brittle core against impacts.
- Fig. 1 sandwich scraper in cross section
- Fig. 2 sandwich scraper with steel plates on both sides in cross section Q
- Fig. 3 Sandwich scraper with steel plates on both sides in front view.
- the sandwich scraper 0 shows a first embodiment of the sandwich scraper strip 0 according to the invention in cross-section, ie substantially transversely to the direction of travel, or to the feed direction V.
- the sandwich scraper 0 comprises a steel attachment collar 1, via which it is attached to a not shown Dozer blade of a snow plow, also not shown, can be attached.
- the attachment is usually by Screw connections or by means of clamping claws; Further joining techniques are conceivable.
- the sandwich scraper 0 comprises a rubber body 4, which is vulcanized to the mounting neck 1. Rubber has proven itself as a material, but it is nevertheless possible to substitute it with a suitable plastic.
- a steel shell 5 is embedded, which surrounds one or more hard metal cores 6.
- Both the steel jacket 5 and the hard metal cores 6 can extend continuously over the entire length of the sandwich scraper bar 0. Preferably, however, they are interrupted in sections.
- the hard metal cores 6 each extend at least over the wear height h of the scraper blade 0.
- Steel jacket 5 and hard metal core 6 together make up at least one fifth of the wear surface 7 of the rubber body 4.
- the hard metal cores 6 are preferably made of tungsten carbide, titanium carbide or titanium nitride. These materials can also be used as recyclate.
- the hard metal cores 6 is either shrunk into the steel shell 5 and / or soldered to it.
- the steel jacket 5 is, however, vulcanized into the rubber body 4.
- the sandwich scraper 0 is formed by a five-ply, symmetrical sandwich.
- the sandwich consists of the materials rubber, steel, carbide, steel, rubber.
- FIG. 2 shows a further embodiment of the sandwich scraper strip 0 according to the invention according to claim 8 in a cross-section Q. It comprises two steel plates 2, 3 which cover the rubber body 4 at its front side and at its rear side. The front steel plate 2 is largely flat, the rear steel plate 3 is cranked. Both steel plates 2,3 are connected by vulcanization with the rubber body 4 and also serve as a fastening neck 1. For this reason, they have in the upper part of holes 8, through which bolts, not shown, are inserted for attachment to the dozer blade.
- the sandwich scraper blade 0 is constituted by a seven-layer symmetrical sandwich.
- the sandwich consists of the materials steel, rubber, steel, carbide, steel, rubber, steel.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Table Equipment (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Laminated Bodies (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Earth Drilling (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05752722T PL1776506T3 (pl) | 2004-06-17 | 2005-05-25 | Wielowarstwowa listwa zgarniakowa z rdzeniem z twardego metalu |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004029165A DE102004029165A1 (de) | 2004-06-17 | 2004-06-17 | Sandwich-Räumleiste mit Hartmetallkern |
PCT/EP2005/005630 WO2005124031A1 (de) | 2004-06-17 | 2005-05-25 | Sandwich-räumleiste mit hartmetallkern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1776506A1 true EP1776506A1 (de) | 2007-04-25 |
EP1776506B1 EP1776506B1 (de) | 2007-12-19 |
Family
ID=34970582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05752722A Active EP1776506B1 (de) | 2004-06-17 | 2005-05-25 | Sandwich-Räumleiste mit Hartmetallkern |
Country Status (9)
Country | Link |
---|---|
US (1) | US7765726B2 (de) |
EP (1) | EP1776506B1 (de) |
AT (1) | ATE381641T1 (de) |
CA (1) | CA2570517C (de) |
DE (2) | DE102004029165A1 (de) |
ES (1) | ES2301019T3 (de) |
NO (1) | NO338286B1 (de) |
PL (1) | PL1776506T3 (de) |
WO (1) | WO2005124031A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005026519A1 (de) * | 2005-06-08 | 2006-12-14 | Gummi Küper GmbH & Co KG | Räumleiste für den Räumschild eines Schneepfluges |
DE102005040705B4 (de) * | 2005-08-27 | 2021-06-10 | Gummi Küper GmbH & Co KG | Räumleiste für den Räumschild eines Schneepfluges |
DE102006021910A1 (de) | 2006-05-11 | 2007-11-15 | Gummi Küper GmbH & Co KG | Gewellte Räumleiste |
US7698839B1 (en) * | 2006-09-18 | 2010-04-20 | Maxi-Lift, Inc. | Material conveyor system container |
US7631441B2 (en) * | 2008-03-10 | 2009-12-15 | Valley Blades Limited | Wearing edge attachment system |
DE102009051751A1 (de) * | 2009-11-03 | 2011-05-05 | Küper GmbH & Co.KG | Räumleiste für den Räumschild eines Schneepfluges |
IT1397670B1 (it) * | 2010-01-22 | 2013-01-18 | Giletta Spa | Lama perfezionata per spalare la neve. |
KR101330978B1 (ko) * | 2011-10-27 | 2013-11-18 | 배한준 | 제설삽 장치 |
US9290898B2 (en) | 2012-02-20 | 2016-03-22 | Ironhawk Industrial Distribution LLC | Plow blade damping device and method |
US8984778B2 (en) | 2013-03-15 | 2015-03-24 | Ironhawk Industrial Distribution LLC | Plow blade and method |
CN103343521A (zh) * | 2013-07-22 | 2013-10-09 | 南通普乐工具有限公司 | 新型扫雪机 |
US20160032568A1 (en) * | 2014-07-29 | 2016-02-04 | Caterpillar Inc. | Implement Wear Member |
US9562342B2 (en) * | 2014-09-05 | 2017-02-07 | Winter Equipment Company | Serrated plow blade |
US10889948B2 (en) | 2014-09-05 | 2021-01-12 | Winter Equipment Company | Plow blade |
USD824962S1 (en) | 2015-09-08 | 2018-08-07 | Winter Equipment Company | Plow blade |
DE102015120823A1 (de) | 2015-12-01 | 2017-06-01 | Küper Gmbh & Co. Kg | Sandwich-Räumleiste |
DE102016114457A1 (de) * | 2016-08-04 | 2018-02-08 | Küper Gmbh & Co. Kg | Räumleiste für den Einsatz bei hohen Geschwindigkeiten und langen Räumstrecken |
DE102016119769B3 (de) | 2016-10-18 | 2018-03-01 | Küper Gmbh & Co. Kg | Räumleiste für den Räumschild eines Schneeplugs |
US10851508B2 (en) | 2017-12-11 | 2020-12-01 | Pro-Tech Manufacturing And Distribution, Inc. | Material pusher with floating coupling and modular composite scraping edge |
US11401685B2 (en) | 2018-04-13 | 2022-08-02 | Caterpillar Inc. | Serrated blade assembly using differently configured components |
DE102018125674A1 (de) * | 2018-10-16 | 2020-04-16 | Küper Gmbh & Co. Kg | Räumleiste für den Räumschild eines Schneepflugs |
DE102019217217A1 (de) * | 2019-11-07 | 2021-05-12 | Zf Friedrichshafen Ag | Bewertung von Geräuschen eines Räumschilds |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2549088A (en) * | 1946-09-07 | 1951-04-17 | Harnischfeger Corp | Replaceable tooth for rotary earth cutting means |
US3529677A (en) * | 1968-05-15 | 1970-09-22 | Kennametal Inc | Grader blade |
US3934654A (en) * | 1974-09-06 | 1976-01-27 | Kennametal Inc. | Earthworking blade device |
US4086966A (en) * | 1976-12-20 | 1978-05-02 | Caterpillar Tractor Co. | Composite ground engaging tool |
US4347677A (en) * | 1979-02-05 | 1982-09-07 | Gummi Kuper Gmbh & Co. Kg | Snow removal bar for the snow removal plate of a snow plow |
DE3347784A1 (de) * | 1983-03-31 | 1985-05-15 | Bernhard Dipl.-Ing. 1000 Berlin Leuschner | Befestigungsvorrichtung fuer eine raeumleiste an dem raeumschild eines schneepflugs |
DE3404030C1 (de) * | 1984-02-06 | 1985-07-04 | Gummi-Küper GmbH & Co KG, 4630 Bochum | Räumleiste für den Räumschild eines Schneepfluges |
DE8516577U1 (de) * | 1985-06-07 | 1985-08-01 | Schotenröhr, Rudolf, 5860 Iserlohn | Räumleiste für Schneepflüge od. dgl. |
US4715450A (en) * | 1987-02-20 | 1987-12-29 | Kennametal Inc. | Grader blade with casting/insert assembly on leading edge |
DE8707182U1 (de) * | 1987-05-19 | 1987-08-06 | Gummi-Küper GmbH & Co KG, 4630 Bochum | Auswechselbare Schneeräumleiste |
FI679U1 (fi) * | 1993-01-22 | 1993-04-23 | Pertti Vauhkonen | Bett foer en plog |
WO1996004097A1 (fr) * | 1994-08-02 | 1996-02-15 | Komatsu Ltd. | Procede de formation d'une couche de capitonnage resistant a l'usure et materiau composite resistant a l'usure |
USH1642H (en) * | 1995-03-20 | 1997-04-01 | The United States Of America As Represented By The Secretary Of The Navy | Wear and impact tolerant plow blade |
WO1997044994A1 (en) * | 1996-05-24 | 1997-12-04 | Kennametal Inc. | Plow blade |
US6202327B1 (en) * | 1999-05-05 | 2001-03-20 | Eimco Llc | Ice scraper having non-rotary tools with shielded cutting inserts |
US6594923B1 (en) * | 1999-11-29 | 2003-07-22 | The Louis Berkman Company | Snowplow mount |
US6571493B2 (en) * | 1999-12-27 | 2003-06-03 | Komatsu Ltd. | Cutting edge |
US6854527B2 (en) * | 2002-04-08 | 2005-02-15 | Kennametal Inc. | Fracture resistant carbide snowplow and grader blades |
-
2004
- 2004-06-17 DE DE102004029165A patent/DE102004029165A1/de not_active Withdrawn
-
2005
- 2005-05-25 US US11/629,721 patent/US7765726B2/en active Active
- 2005-05-25 DE DE502005002314T patent/DE502005002314D1/de not_active Expired - Fee Related
- 2005-05-25 PL PL05752722T patent/PL1776506T3/pl unknown
- 2005-05-25 EP EP05752722A patent/EP1776506B1/de active Active
- 2005-05-25 ES ES05752722T patent/ES2301019T3/es active Active
- 2005-05-25 AT AT05752722T patent/ATE381641T1/de active
- 2005-05-25 CA CA2570517A patent/CA2570517C/en active Active
- 2005-05-25 WO PCT/EP2005/005630 patent/WO2005124031A1/de active IP Right Grant
-
2007
- 2007-01-15 NO NO20070261A patent/NO338286B1/no not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2005124031A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1776506B1 (de) | 2007-12-19 |
WO2005124031A1 (de) | 2005-12-29 |
DE102004029165A1 (de) | 2005-12-29 |
PL1776506T3 (pl) | 2008-06-30 |
US7765726B2 (en) | 2010-08-03 |
DE502005002314D1 (de) | 2008-01-31 |
NO20070261L (no) | 2007-03-09 |
ATE381641T1 (de) | 2008-01-15 |
NO338286B1 (no) | 2016-08-08 |
CA2570517C (en) | 2013-07-30 |
US20070193755A1 (en) | 2007-08-23 |
CA2570517A1 (en) | 2005-12-29 |
ES2301019T3 (es) | 2008-06-16 |
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