EP0414738A1 - Verfahren zur herstellung von schaufelradkörpern sowie danach hergestellter schaufelradkörper. - Google Patents
Verfahren zur herstellung von schaufelradkörpern sowie danach hergestellter schaufelradkörper.Info
- Publication number
- EP0414738A1 EP0414738A1 EP89905104A EP89905104A EP0414738A1 EP 0414738 A1 EP0414738 A1 EP 0414738A1 EP 89905104 A EP89905104 A EP 89905104A EP 89905104 A EP89905104 A EP 89905104A EP 0414738 A1 EP0414738 A1 EP 0414738A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support body
- hub
- support
- ring carrier
- paddle wheel
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 11
- 239000002184 metal Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/78—Making other particular articles propeller blades; turbine blades
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49481—Wheel making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49481—Wheel making
- Y10T29/49492—Land wheel
- Y10T29/49533—Hub making
- Y10T29/49535—Hub making with assembling
Definitions
- the invention relates to a method for producing a paddle wheel body with a support body formed from a single sheet metal and having a frustoconical cross section, in particular for use in opencast mining equipment.
- a cellless impeller with a conically shaped support body is known, which is rotatably mounted on the impeller axis and to which an annular body carrying the blades is attached.
- the support body consists of a disc that can be manufactured in one operation by rolling. Disadvantages of this type of form are essentially to be seen in the fact that only contours in one direction, starting from the center of the paddle wheel, can be generated, so that a series of welding operations (introduction of stiffeners or Like.) Must be carried out. This measure increases the total weight of the impeller body.
- Another disadvantage is the likewise complex displacement of the buckets on the outer circumference of the paddle wheel body, which also has to be brought about by welding.
- the invention has for its object to design a method for producing a paddle wheel body, by means of which the complex welding work can be reduced to a minimum without reducing the rigidity of the To adversely affect the impeller body. Furthermore, a paddle wheel body is to be designed which is easy and inexpensive to manufacture, the welding work which is still necessary should be more accessible for any repair purposes.
- this object is achieved in that the support body is shaped in such a way by deep-drawing or clapping the sheet metal that an annular support for receiving the blades is formed on the support body, seen in the radial direction, in its radially outer circumferential region.
- the measures according to the invention can be used to produce a finished raw part which consists of the frustoconical support body and at least the integrally formed ring carrier. Welding work for forming the ring carrier can be completely avoided. Compared to St. d. T. is presented here a paddle wheel body, which is not only much easier to manufacture but also lighter and therefore cheaper.
- a paddle wheel body with a conically shaped support body is characterized in that the support body, ring carrier and hub support are formed in one piece.
- Advantageous developments of the paddle wheel body according to the invention can be found in subclaims 8 to 10.
- the hub body Due to the geometrical shape of the paddle wheel body (S-shape), the hub body, which is designed as a disc with a central through-hole, can be easily connected on the one hand to the tapered area of the hub support and on the other hand to the frustoconical area of the support body.
- Other support elements as for the sake of Stiffness at St. d. T. are necessary, can be omitted here.
- the paddle wheel body can be produced by both cold and hot forming.
- the choice of the deformation method depends on the size or performance of the opencast mining device.
- the St. d. T. addressed production processes only the frustoconical contour of the support body can be produced.
- the radii required for further processing can be formed without problems, so that the welding work previously required at these points can be completely eliminated.
- the further construction of the blade wheel body can be carried out in a modular manner by welding the supports for receiving the blades directly into the free space of the ring carrier or by connecting a circumferential flange to the ring carrier, to which the carriers are then screwed.
- a peripheral disk or a U-profile open to the outside can also be screwed or welded onto the free end of the carrier.
- Fig. 1 Schematic structure of the paddle wheel body according to the invention
- Fig. 2 Partial view of the paddle wheel body acc. Fig. 1.
- the impeller body is constructed from the following elements: a truncated cone-shaped support body 2, an adjoining ring carrier 3 in the radially outer circumferential region and a hub support 4 integrally formed in the radially inner circumferential region.
- Carrier body 2, ring carrier 3 and hub support 4 are in this case S-shaped in cross section, this profile being produced by making a sheet metal is.
- a horizontally extending stiffener 6 is incorporated.
- a circumferential flange 9 is welded between the tapering end 7 of the ring carrier 3 and the free end 8 of the stiffening 6, which flange serves for the displacement (screwing) of the carrier 10 for receiving the blades, which are not shown in any more detail.
- U-shaped elements 21 are screwed onto the free ends 11 of the carrier 10 in cross section as a circumferential component.
- a curve is also provided, which forms the so-called hub support 4.
- the hub 12 itself is designed as a disk with a central through bore 13.
- Hub 12 and hub support 4 are connected to one another in such a way that the free end 14 of the hub support 4 is supported above the through bore 13 on the hub 12 and the radially outer peripheral region 15 of the hub 12 is supported on the frustoconical support body 2, the respective contact points being welded to one another become.
- FIG. 2 shows a partial view of the impeller body 1.
- the area of the hub support 4 and the hub 12 is shown.
- the hub 12 is seated on the drive shaft 16, which has a radial stop 17 and is connected to the hub 12 by screwing 18.
- Hub 12 and hub support 4 are connected to one another in the area of their contact points 19, 20 by welding.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Crushing And Grinding (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Crushing And Pulverization Processes (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Forging (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89905104T ATE80816T1 (de) | 1988-05-06 | 1989-04-21 | Verfahren zur herstellung von schaufelradkoerpern sowie danach hergestellter schaufelradkoerper. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3815490 | 1988-05-06 | ||
DE3815490 | 1988-05-06 | ||
DE3839274A DE3839274A1 (de) | 1988-05-06 | 1988-11-21 | Verfahren zur herstellung eines schaufelradkoerpers sowie danach hergestellter schaufelradkoerper |
DE3839274 | 1988-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0414738A1 true EP0414738A1 (de) | 1991-03-06 |
EP0414738B1 EP0414738B1 (de) | 1992-09-23 |
Family
ID=25867850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89905104A Expired - Lifetime EP0414738B1 (de) | 1988-05-06 | 1989-04-21 | Verfahren zur herstellung von schaufelradkörpern sowie danach hergestellter schaufelradkörper |
Country Status (7)
Country | Link |
---|---|
US (1) | US5095640A (de) |
EP (1) | EP0414738B1 (de) |
JP (1) | JPH03504213A (de) |
AU (1) | AU618358B2 (de) |
DE (2) | DE3839274A1 (de) |
DK (1) | DK265690D0 (de) |
WO (1) | WO1989010810A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4026590A1 (de) * | 1990-06-09 | 1991-12-12 | Orenstein & Koppel Ag | Schaufelrad mit einem tragkoerper |
DE19518040C1 (de) * | 1995-05-17 | 1996-11-28 | Rheinische Braunkohlenw Ag | Schaufelradkörper |
DE10058851A1 (de) * | 2000-11-27 | 2002-06-06 | Krupp Foerdertechnik Gmbh | Schaufelrad für einen Schaufelradbagger |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE390871A (de) * | ||||
US1965203A (en) * | 1930-08-18 | 1934-07-03 | Kelsey Hayes Wheel Corp | Hub shell and method of forming same |
FR730873A (fr) * | 1931-07-22 | 1932-08-25 | Frankignoul Pieux Armes | Enduit de revêtement à toute épreuve, pour ouvrages d'art en béton ou analogue |
FR730783A (fr) * | 1932-02-01 | 1932-08-24 | Perfectionnement à la fabrication des roues métalliques | |
US2086488A (en) * | 1933-12-11 | 1937-07-06 | Kelsey Hayes Wheel Co | Method of forming brake drums |
US2007811A (en) * | 1934-06-15 | 1935-07-09 | Minneapolis Moline Power Co | Adjustable tractor wheel |
DE763672C (de) * | 1936-06-06 | 1954-03-15 | Mitteldeutsche Stahlwerke G M | Schaufelrad fuer Bagger, Absetzer od. dgl. |
US2700235A (en) * | 1949-11-19 | 1955-01-25 | United Electric Coal Companies | Slope sheet cleaner for excavating machines |
FR1111110A (fr) * | 1953-11-06 | 1956-02-22 | United Electric Coal Companies | Transporteur à rouleaux pour roue excavatrice |
GB832431A (en) * | 1957-10-24 | 1960-04-13 | Antonio Juan Bautista Gheraldo | Disc for a disc plough or like agricultural machinery |
DE1149683B (de) * | 1958-02-13 | 1963-06-06 | Darwin Steward Cox | Verfahren zum Herstellen eines schalen-foermigen Koerpers, z. B. einer Radscheibe, aus einem Zylindermantel aus Stahlblech |
DE1402836A1 (de) * | 1960-02-15 | 1969-01-23 | Firth Cleveland Ltd | Verfahren zur Herstellung von Rotoren,z.B. fuer Geblaese |
GB1057486A (en) * | 1962-11-07 | 1967-02-01 | Dunlop Rubber Co | Wheel manufacture |
DE1484742C3 (de) * | 1963-02-07 | 1973-09-20 | Orenstein & Koppel Ag Werk Luebeck, 2400 Luebeck | Schaufelradausleger für einen Schaufelradbagger, mit einer Schaufelradschurre und mit einem Förderband |
US3683522A (en) * | 1970-04-13 | 1972-08-15 | Louis Rousseau | Frustoconical rotary cutter for digging trenches |
US3747380A (en) * | 1971-08-13 | 1973-07-24 | W Frizzell | Automated handling of vessel heads |
SU422819A1 (ru) * | 1972-06-06 | 1974-04-05 | В. И. Сероштан, В. А. Чуйко, А. Ф. Семенец, И. В. Недвнга, | РАБОЧИЙ ОРГАН РОТОРНОГО ЭКСКАВАТОРАФШД е:ШЕРТОО |
ZA733578B (en) * | 1972-06-28 | 1974-04-24 | Orenstein & Koppel Ag | Supporting body for non-compartmented bucket wheel |
DE2314241C3 (de) * | 1973-03-22 | 1980-04-17 | O & K Orenstein & Koppel Ag Werk Luebeck, 2400 Luebeck | Zellenloses Schaufelrad mit einem Tragkörper |
AU1660976A (en) * | 1976-08-05 | 1978-02-09 | Babcock Moxey Ltd | Bucket wheel for reclaimers |
FR2384564A1 (fr) * | 1977-03-21 | 1978-10-20 | Letang & Remy Ets | Procede pour obtenir une poulie en tole mince solidaire d'un moyeu |
HU184429B (en) * | 1981-04-24 | 1984-08-28 | Magyar Aluminium | Aluminium wheel particularly vehicle one furthermore method and apparatus for producing same |
FR2557479B1 (fr) * | 1983-12-30 | 1987-05-07 | Dunlop Sa | Procede et outillage de realisation d'une roue de vehicule a jante amincie en une seule piece d'acier |
US4780972A (en) * | 1988-03-21 | 1988-11-01 | Keene Wayne G | Wheelmotor drive for rotary cutterhead |
-
1988
- 1988-11-21 DE DE3839274A patent/DE3839274A1/de active Granted
-
1989
- 1989-04-21 EP EP89905104A patent/EP0414738B1/de not_active Expired - Lifetime
- 1989-04-21 WO PCT/EP1989/000430 patent/WO1989010810A1/de active IP Right Grant
- 1989-04-21 JP JP1504493A patent/JPH03504213A/ja active Pending
- 1989-04-21 US US07/466,382 patent/US5095640A/en not_active Expired - Fee Related
- 1989-04-21 DE DE8989905104T patent/DE58902338D1/de not_active Expired - Lifetime
- 1989-04-21 AU AU35366/89A patent/AU618358B2/en not_active Ceased
-
1990
- 1990-11-06 DK DK265690A patent/DK265690D0/da not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO8910810A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU618358B2 (en) | 1991-12-19 |
AU3536689A (en) | 1989-11-29 |
US5095640A (en) | 1992-03-17 |
DE58902338D1 (de) | 1992-10-29 |
DK265690A (da) | 1990-11-06 |
JPH03504213A (ja) | 1991-09-19 |
EP0414738B1 (de) | 1992-09-23 |
DK265690D0 (da) | 1990-11-06 |
DE3839274A1 (de) | 1989-11-23 |
DE3839274C2 (de) | 1991-09-26 |
WO1989010810A1 (en) | 1989-11-16 |
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