US3897936A - Transportable rotary mixers - Google Patents

Transportable rotary mixers Download PDF

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Publication number
US3897936A
US3897936A US367805A US36780573A US3897936A US 3897936 A US3897936 A US 3897936A US 367805 A US367805 A US 367805A US 36780573 A US36780573 A US 36780573A US 3897936 A US3897936 A US 3897936A
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US
United States
Prior art keywords
platform
shaft
base
pin
container
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 - Lifetime
Application number
US367805A
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English (en)
Inventor
Roland Berthold
Adolf Brenner
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SKF Industrial Trading and Development Co BV
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SKF Industrial Trading and Development Co BV
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Publication date
Application filed by SKF Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Application granted granted Critical
Publication of US3897936A publication Critical patent/US3897936A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/06—Constructional features of mixers for pig-iron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/02—Sliding-contact bearings
    • F16C23/04—Sliding-contact bearings self-adjusting
    • F16C23/043—Sliding-contact bearings self-adjusting with spherical surfaces, e.g. spherical plain bearings
    • F16C23/045—Sliding-contact bearings self-adjusting with spherical surfaces, e.g. spherical plain bearings for radial load mainly, e.g. radial spherical plain bearings

Definitions

  • Means are provided which fixedly connect the pin to the platform for joint UNITED STATES PATENTS movement.
  • the platform mounts driving means for 830,615 9/1906 Rankin 1. 259/81 R h d i gear 1115.213 4/1938 Randolph 1 105/270 2.151.391 3/1939 Pugh 105/270 5 Claims, 5 Drawing Figures 15 if ii l6 1: El. 2 4 I. 5
  • the present invention relates to transportable rotary mixers particularly for pig-iron, hot metals and the like.
  • Conventional pig-iron mixers comprise large oval containers which are mounted on railroad or truck carriages such as bogies so that they may be moved over large distances.
  • the container has a shaft at each end.
  • the shaft at one end is journaled in a rocker bearing fixed on one carriage while the shaft at the other end is supported by one or more plain cylindrical neck bearings mounted on an intermediate supporting bridge fixed to its carriage.
  • the shaft at this latter end is provided with a gear wheel which is driven by motor means on the intermediate bridge.
  • This arrangement provides a limited degree of pivoting or flexing movement about the axis of rotation so that the containers may more easily go up and down hills and around curves and corners without dislodging the carriages from their track.
  • This arrangement however, has the disadvantage that only one end is provided with a rocker bearing while the other end has only a very limited degree of flexure.
  • a transportable rotary mixer particularly for pig-iron and the like having an elongated oval container having a shaft at each end rotatably journaled in a rocker bear ing mounted on a base supported on a movable carriage. At at least one end the shaft is provided with a driven gear wheel and a platform is provided surrounding the base and resting on the surface thereof.
  • the shaft is provided with a central bore in which a pin axially extends outwardly. The pin is journaled against rotation with respect to the shaft but to accompany the pivotal movement of the shaft with respect to the axis of rotation. Means fixedly connect the pin to the platform for conjoint pivoting.
  • the platform Located on the platform are drive means by which the driven gear may be rotated. In this manner even the end which is provided with the motor means for rotating the container can also be provided with a rocker bearing which provides a high degree of flexure for the container. Further, the motor means are mounted on a platform which is connected to the shaft so that it would conjointly pivot with re spect to the axis of rotation. Further, the platform is supported by resting on the base in all of its positions.
  • the present invention eliminates the need for the cylindrical neck journals and the use of an intermediate bridge supporting the driven end of the container. Further, a pivot bearing generally used to support the intermediate bridge with respect to the main bridge or carriage is also eliminated.
  • the driven side of the container is consequently constructed in a much more compact form through the rigid connection of the platform supporting the drive means with the pin extending from the shaft of the container. Since the platform thus moves conjointly with the container a more exact engagement of the driven gear wheel with the means for driving the container is insured.
  • Another advantage arises from this construction in that since the intermediate bridge is eliminated, the center of gravity of the container can thus be lowered so that the behavioral characteristics of the mixer carriages, sometimes termed in their entirety as a "torpedo trolley" is enormously improved.
  • the supporting platform for the drive means in the shape of a fork or U-shaped member which surrounds the base and has the edges of its recess or bight resting on the outer surface of the base. Through this forked shaped platform reliable sup port is obtained at all attitudes and positions. It is furthermore advantageous to provide the edges of the platform which engage with the surface of the base with wear plates which are adjustable by means of mechanical or hydraulic devices to resiliently bear against the surface of the base. In this manner the degree of torque or turning moment which might otherwise attempt to rotate the driving platform in the opposite direction to that of the container, can be overcome.
  • FIG. I is a side view of a torpedo trolley showing a pig-iron mixture mounted on a plurality of railway bogies,
  • FIG. 2 is a section through a vertical plane showing the driven end of the pigiron container in accordance with the present invention
  • FIG. 3 is a plan view of the end of the mixer shown in FIG. 2,
  • FIG. 4 is an enlarged sectional view of a portion of the device shown in FIGS. 1 through 3 depicting the mechanical means for adjusting the position of the wear plates, and
  • FIG. 5 is a plan view of the apparatus shown in FIG. 4.
  • a pig-iron mixer generally depicted by the numeral 1, bearing a resemblance to the conventional torpedo trolley arrangement for operation on a railroad is schematically shown.
  • the mixer l is supported at each end on a pair of railroad bogies 2 by a supporting bridge 4 which is connected to the bogies by a plurality of pivotal bearings 3.
  • Rigidly mounted on the bridge 4 is a vertically extending base 5 on which a large rocker bearing 6 is mounted in a housing 6a.
  • the mixer com prises an oval container 7 having a shaft 8 extending from each end concentric with its axis of rotation X-X.
  • Each of the opposing shafts 8 are journaled in its associated rocker bearing 6 for rotation about the axis X.
  • the shaft 8 is pro vided with a driven toothed gear wheel 9 which engages with a pinion 10.
  • the pinion 10 is driven through a reduction gear system ll consisting of a pair of bevel gear wheels 12 and 13 through a variable transmission 14 driven in turn by a motor 15.
  • two motors 15 and associated driving components 10 through 14 may be provided.
  • Each of the motors l5 and the driving components 10 through 14 are mounted on a platform 16.
  • the platform 16 is generally U-shaped and straddles or surrounds the base 5 and rests upon its outer surface.
  • the platform 16 is fixedly joined and connected by vertical strips or walls 17 and 18 to a pin 19.
  • the pin 19 is mounted in a cen tral bore 20 formed along the axis of rotation the end of the shaft 8.
  • the pin 19 is mounted in the bore 20 by a pair of spaced rocker bearings 21 and 22 so that it accompanies all of the pivoting movements of the shaft 8 but does not rotate with it about the axis of rotation X.
  • the platform 16 on which the drive mechanism 10 through 15 is mounted accompanies all of the movements of the pivot pin [9 conjointly.
  • the U-shaped platform I6 has an opening or bight generally depicted by the numeral 23, as seen in FIG. 3.
  • the U-shaped platform comprises a fork which surrounds the base 5 as seen in FIG. 3.
  • the side edges 24 of the bight 23 touch the surface of the base 5 which at this point is formed with a smooth arcuate or circular casing so that a smooth point of contact between the linear edges 24 and the curved surface 25 can be obtained.
  • the platform 16 is provided with a wear plate 26 which resiliently abuts against the casing 25 of the base 5.
  • the resiliently biased wear plate 26 acts to transfer to the base 5 the torque created by the rotating drum-like container 7 so that it does not act to rotate the platform 16 and thus the platform 16 will remain stable an 'l fixed with regard to the position of the container 7.
  • the resiliently biased wear plate 26 is adjustably mounted on the platform 16 by suitable hydraulic or mechanical means.
  • the meehanical device for adjusting the position of the wear plate 26 comprises a hand wheel 28 mounted at the end of a spindle 29 which is threadedly secured in a bracket 29a mounted on the top surfasce of the platform 16.
  • a wedge 30 is mounted at the end of the spindle 29 and has a bevelled edge 31 which engages a correspondingly bevelled edge of a piston'like member 32 which is mounted in a bore 320 extending perpendicularly to the wear plate 26.
  • the piston member 32 acts on a compression spring 33 positioned between it and the wear plate 26.
  • the spring 33 forces the wear plate 26 against the casing 25 of the base 5.
  • Rotation of the handle 28 causes the spindle 29 to position the wedge 30 variably with the wedge piston member 32 so that the compression ratio of the spring 33 may be changed as desired, thus changing the resilient bias of the wear plate 23 against the surface 25.
  • the present apparatus is similar to that of the conventional torpedo trolley in that during movement over the railroad the drum-like container 7 may be rotated about its axis 8 by operation of the drive means 10 through 15.
  • the shaft 8 at the end of each container, and the platform 16 which is conjointly fixed to it through the extending pin 19 is adapted to rotate about a vertical axis Y.
  • the shaft 8 and its conjointly fixed platform 16 rotate about an axis 34 which is at right angles to the plane of the drawing of FIG. 2 and which assumes a 2" axis with respect to the X and Y axes.
  • the wear plates 26 Upon the up and down movement about the axis 34, the wear plates 26 move correspondingly upwards and downwards over the surface of the casing 25 of the base 5 as shown by the arrows in FIGv 4. On turning the curves, the wear plates 26 move along the spherically curved outline of the casing 25 as seen in FIGS, 3 and 5. In every case, however, a reliable support and transmission of the torque is insured via the wear plates 26 and the casing 25 to the base 5.
  • the casing 25 and the wear plate 26 are made of smooth hard metallic material having a low coefficient of friction.
  • a transportable rotary mixer particularly for pigiron and the like comprising a container having a shaft at each end, each shaft being rotably journaled in a rocker bearing pivotally mounted on a base supported on a movable carriage, at least one end having a driven gear wheel secured to its shaft for driving said container, a platform straddling said base substantially parallel to the side walls of said base, and slidably resting on the surface of said side walls, said shaft at said one end of said container having a central bore, a pin axially extending outwardly of said bore being journaled against rotation therewith and to accompany the piv otal movement thereof with respect to said bore, means fixedly connecting said pin to said platform for conjoint movement of said pin and platform, and relative movement of said pin with respect to said base, and means mounted on said platform for driving said driven gear.
  • said drive means comprises at least one motor, a driving gear cooperating with said driven gear, and transmission means connecting said motor and said driven gear.
  • the apparatus according to claim 4 including means for adjusting the bias of said wear plates on said arcuate surface.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
US367805A 1972-06-24 1973-06-07 Transportable rotary mixers Expired - Lifetime US3897936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2231051A DE2231051A1 (de) 1972-06-24 1972-06-24 Antrieb fuer schwenkbare behaelter, vorzugsweise roheisenmischer

Publications (1)

Publication Number Publication Date
US3897936A true US3897936A (en) 1975-08-05

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Family Applications (1)

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US367805A Expired - Lifetime US3897936A (en) 1972-06-24 1973-06-07 Transportable rotary mixers

Country Status (6)

Country Link
US (1) US3897936A (enrdf_load_stackoverflow)
JP (1) JPS4956803A (enrdf_load_stackoverflow)
DE (1) DE2231051A1 (enrdf_load_stackoverflow)
FR (1) FR2190219A5 (enrdf_load_stackoverflow)
GB (1) GB1414927A (enrdf_load_stackoverflow)
IT (1) IT986493B (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025129A (en) * 1975-01-17 1977-05-24 Kugelfischer Georg Schafer & Co. Friction bearing with sliding members
EP0001380A1 (de) * 1977-09-29 1979-04-18 VOEST-ALPINE Aktiengesellschaft Grossraum-Roheisenmischer
US4200400A (en) * 1977-12-27 1980-04-29 Gutehoffnungshutte Sterkrade A.G. Mixing car for transporting molten metals
US4277185A (en) * 1979-10-09 1981-07-07 Thompson B Gene Rotary gravity mixer
US5348387A (en) * 1992-11-18 1994-09-20 Gordon Dale F Auxiliary bearing and drive mechanism for a concrete mixer
US6332708B1 (en) * 2000-08-31 2001-12-25 Cametox 2000 Inc. Method of shipping manganese dioxide
CN103978570A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种带弧形翼的塑料搅拌机装置
CN103978571A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种塑料搅拌机装置
CN103978569A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种双轴驱动的塑料搅拌机装置
CN104722747A (zh) * 2015-04-13 2015-06-24 大连华锐重工焦炉车辆设备有限公司 一种鱼雷型混铁车罐体支撑装置
CZ307972B6 (cs) * 2011-11-07 2019-09-25 VĂŤTKOVICE HEAVY MACHINERY a.s. Zařízení pro elektromotorické klopení nádoby pojízdného mísiče

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460245A1 (fr) * 1979-06-29 1981-01-23 Clesid Sa Dispositif de commande de basculement d'un wagon-poche
EP1643141A1 (en) * 2004-09-30 2006-04-05 Profilati S.p.A. A device for supporting conveyor rollers

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US830615A (en) * 1906-06-11 1906-09-11 Thomas L Rankin Apparatus for cyaniding ores.
US2115213A (en) * 1936-07-01 1938-04-26 Koppers Co Inc Apparatus for transporting molten materials
US2151391A (en) * 1936-05-29 1939-03-21 Addie A Pugh Apparatus for transferring molten materials
US2227915A (en) * 1940-03-27 1941-01-07 Schaefer Frederic Expansible wear plate
US2559100A (en) * 1948-08-05 1951-07-03 Will L White Adjustable kelley drive bushing
US2910286A (en) * 1955-10-27 1959-10-27 Marland One Way Clutch Co Rotary kiln drive mechanism
US3082702A (en) * 1958-09-24 1963-03-26 Mohr & Sons John Tilting body railway car
US3209850A (en) * 1963-02-26 1965-10-05 Gen Dynamics Corp Trailer having longitudinally adjustable and driven rear wheels
US3307496A (en) * 1965-04-12 1967-03-07 Illinois Railway Equipment Co Railway car construction
US3608501A (en) * 1967-10-19 1971-09-28 Demag Ag Hot metal tank car

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US830615A (en) * 1906-06-11 1906-09-11 Thomas L Rankin Apparatus for cyaniding ores.
US2151391A (en) * 1936-05-29 1939-03-21 Addie A Pugh Apparatus for transferring molten materials
US2115213A (en) * 1936-07-01 1938-04-26 Koppers Co Inc Apparatus for transporting molten materials
US2227915A (en) * 1940-03-27 1941-01-07 Schaefer Frederic Expansible wear plate
US2559100A (en) * 1948-08-05 1951-07-03 Will L White Adjustable kelley drive bushing
US2910286A (en) * 1955-10-27 1959-10-27 Marland One Way Clutch Co Rotary kiln drive mechanism
US3082702A (en) * 1958-09-24 1963-03-26 Mohr & Sons John Tilting body railway car
US3209850A (en) * 1963-02-26 1965-10-05 Gen Dynamics Corp Trailer having longitudinally adjustable and driven rear wheels
US3307496A (en) * 1965-04-12 1967-03-07 Illinois Railway Equipment Co Railway car construction
US3608501A (en) * 1967-10-19 1971-09-28 Demag Ag Hot metal tank car

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025129A (en) * 1975-01-17 1977-05-24 Kugelfischer Georg Schafer & Co. Friction bearing with sliding members
EP0001380A1 (de) * 1977-09-29 1979-04-18 VOEST-ALPINE Aktiengesellschaft Grossraum-Roheisenmischer
US4234171A (en) * 1977-09-29 1980-11-18 Voest-Alpine Aktiengesellschaft Mixing arrangement
US4200400A (en) * 1977-12-27 1980-04-29 Gutehoffnungshutte Sterkrade A.G. Mixing car for transporting molten metals
US4277185A (en) * 1979-10-09 1981-07-07 Thompson B Gene Rotary gravity mixer
US5348387A (en) * 1992-11-18 1994-09-20 Gordon Dale F Auxiliary bearing and drive mechanism for a concrete mixer
US6332708B1 (en) * 2000-08-31 2001-12-25 Cametox 2000 Inc. Method of shipping manganese dioxide
CZ307972B6 (cs) * 2011-11-07 2019-09-25 VĂŤTKOVICE HEAVY MACHINERY a.s. Zařízení pro elektromotorické klopení nádoby pojízdného mísiče
CN103978570A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种带弧形翼的塑料搅拌机装置
CN103978571A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种塑料搅拌机装置
CN103978569A (zh) * 2014-05-30 2014-08-13 昆山恩源塑料科技有限公司 一种双轴驱动的塑料搅拌机装置
CN104722747A (zh) * 2015-04-13 2015-06-24 大连华锐重工焦炉车辆设备有限公司 一种鱼雷型混铁车罐体支撑装置

Also Published As

Publication number Publication date
DE2231051A1 (de) 1974-01-03
IT986493B (it) 1975-01-30
GB1414927A (en) 1975-11-19
JPS4956803A (enrdf_load_stackoverflow) 1974-06-03
FR2190219A5 (enrdf_load_stackoverflow) 1974-01-25

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