US3807250A - Driving mechanism for a diffusion tower - Google Patents

Driving mechanism for a diffusion tower Download PDF

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Publication number
US3807250A
US3807250A US00278573A US27857372A US3807250A US 3807250 A US3807250 A US 3807250A US 00278573 A US00278573 A US 00278573A US 27857372 A US27857372 A US 27857372A US 3807250 A US3807250 A US 3807250A
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US
United States
Prior art keywords
pinion
container
spur gear
carriage
driving mechanism
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
US00278573A
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English (en)
Inventor
W Dietzel
S Matusch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BMA Braunschweigische Maschinenbauanstalt AG
Original Assignee
BMA Braunschweigische Maschinenbauanstalt AG
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Publication date
Application filed by BMA Braunschweigische Maschinenbauanstalt AG filed Critical BMA Braunschweigische Maschinenbauanstalt AG
Application granted granted Critical
Publication of US3807250A publication Critical patent/US3807250A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B10/00—Production of sugar juices
    • C13B10/08—Extraction of sugar from sugar beet with water
    • C13B10/10—Continuous processes
    • C13B10/102—Continuous processes having rotatable means for agitation or transportation
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19628—Pressure distributing

Definitions

  • the present driving mechanism is especially suitable for a diffusion tower for leaching sugar beet cossettes. Inside the upright tower there is rotatably supported a drive shaft for transporting the sugar beet cossettes through the diffusion tower. One drive shaft end extends out of the tower. A spur gear is attached to said drive shaft end.
  • a plurality of pinion carriages are movably supported on the tower body itself so that the drive pinions carried by the pinion carriages are maintained in continuous, efficient meshing with the spur gear.
  • Guide means on the spur gear and on the pinion carriage interengage each other to facilitate said continuous meshing regardless of any flexing of the drive shaft.
  • the present invention relates to a driving mechanism, more specifically for a diffusion tower for the leaching of sugar beet cossettes or the like.
  • the diffusion tower comprises a substantially upright cylindrical container or chamber having a longitudinal axis.
  • a transport shaft for the cossettes extends coaxially to said longitudinal axis through the cylindrical container.
  • the transport shaft is rotatably supported in the container and is provided with transport elements which cooperate with guide blades attached to the inner surface of said container.
  • the transport shaft extends with one end thereof out of said container. Said one end of the transport shaft is provided with a spur gear which meshes with at least one motor driven pinion.
  • each driving unit individually to the body of the diffusion tower by means of an elastically expandable guide arm or the like whereby irregularities in the load distribution as well as peak loads and the like can be taken up by the elastic deformation of the connecting guide arm.
  • a driving mechanism for a diffusion tower of the above described type wherein at least one pinion carriage is used for assuring the meshing between the drive pinions and the above mentioned spur gear.
  • the pinion carriage is guided for example by means of guide rollers riding directly along a guide track of the spur gear.
  • the pinion carriage is further connected to the body of the diffusion tower container by means ofa guide arm and each pinion carriage carries a reduction gear and a drive motor for the pinions whereby the drive motor may be attached to the pinion carriage proper or to the reduction gear.
  • Drive means which employ a pinion carriage are known in connection with the tilting mechanism of a steel converter whereby the carriage is directly supported on the large spur gear to be driven through the pinion carriage.
  • Such support includes suitable roller means which ride along the spur gear and thus guide the pinion carriage relative to the spur gear.
  • Similar drive means have been employed in connection with large mixers such as concrete mixers.
  • Advantages of the present invention employing pinion carriages in a diffusion tower are seen in that it is completely irrelevent how large the manufacturing tolerances of the spur gear are or how large the amplitude of the wobbling motion of the transporting shaft is. Further, the present driving mechanism assures that even elastical deformations of the cylindrical diffusion tower container under load conditions and in response to the driving reactions do not affect the proper intermeshing of the drive pinions with the spur gear.
  • the present pinion carriage retains its optimum position relative to the teeth of the spur gear independently of all of theses operational occurrences whereby the optimum intermeshing or cooperation between the pinion and the teeth of the spur gear is assured.
  • the pinion carriage with the gear means and the driving motor attached thereto may be constructed as integral driving units which as such may be easily exchanged. Any desirable number of such driving units may be distributed about the circumference of the spur gear. Therefore, individual driving units may be demounted or exchanged even during the operation of the diffusion tower without any need for interruption of the operation. I-Ieretofore, it was not possible in connection with known diffusion towers to exchange the driving mechanism without interrupting the operation, this is a surprising result which additionally has the advantage that it also avoids the undesirable impairment of the entire operation of a sugar factory when the diffusion towers had to be stopped heretofore.
  • Another advantage of the invention is seen in that a larger number of driving units may be employed, whereby the individual driving unit may be constructed relatively small and light because each individual driving unit has to transmit only a respectively smaller proportion of the entire driving force.
  • the load applied to the teeth flanks of the intermeshing pinion and spur gear is not only substantially reduced, but the entire load is also more evenly distributed about the entire circumference of the spur gear.
  • the smaller and lighter unit becomes more manageable so that it may be lifted or lowered by means of the repair or maintenance crane which is normally provided at the top of diffusion towers. In known diffusion towers it was necessary to employ a special heavy load crane in order to lift the driving unit onto the tower or in order to lower it from the diffusion tower.
  • FIG. 1 illustrates a top plan view onto the upper end of a diffusion tower comprising a driving mechanism according to the invention
  • FIG. 2 is a sectional view along the section lines IIII in FIG. 1.
  • FIG. 1 illustrates the upper end of a diffusion tower l which is substantially closed by an upper end wall 1.
  • This closure wall 1' shown in the plan view in FIG. 1, serves as a guide means and bearing for a transport shaft 2.
  • the transport shaft extends longitudinally through the upright tower container 1 and coaxially with the longitudinal cylinder axis of the container 1.
  • the transport shaft 2 is provided along its length inside the diffusion tower with transport elements having the shape of blades which rotate with the shaft 2 for transporting the sugar beet cossettes through the diffusion tower.
  • the blades cooperate with respective counter elements attached to the inner wall of the diffusion tower, whereby the mashed sugar beet cossettes which are fed into the lower end of the tower are transported upwardly through the tower.
  • the transport shaft 2 extends out of the tower at the upper end thereof and the upper end of the shaft 2 has attached thereto in a force transmitting manner a spur gear 3.
  • the toothed outer rim of the spur gear 3 may be connected to the shaft 2 by means of a circular plate or spokes 3'.
  • a plurality of drive pinions 4 are arranged for intermeshing cooperation with the spur gear 3.
  • four pinions 4 are supported in respective pinion carriages 5 which are preferably evenly distributed about the circumference of the spur gear 3.
  • the carriages have an even angular spacing of 90 from each other.
  • Each pinion carriage 5 is provided with respective guide follower means 6 which run along a guide track 6 of the spur gear 3. Further cooperating guide means such as a cam wheel 10 riding on the spur gear plate 3' and a cam wheel bearing 11 for the cam wheel 10 and supported on the pinion carriage 5 may be arranged for cooperation with each other.
  • the pinion carriage 5 supports a reduction gear box 7 which in turn carries a motor connecting means 5 for driving the respective pinion 4 through a shaft 7' which is supported by roller bearings 12 in the pinion carriage 5, as shown in FIG. 2. It will be appreciated that the motor connection means 5' may be also supported directly on the pinion carriage 5 rather than on the reduction gear box 7.
  • the pinion carriages 5 are movably connected to the body of the tower 1 for taking up the driving reactions.
  • guide rocker arms 8 are pivoted or journaled to the top wall 1' of the tower container 1.
  • One end of each rocker arm 8 is journaled to a respective journal shaft 8 while the opposite end of the. rocker arm is secured to the pinion carriage, for example, by nuts and bolts.
  • the pivot or journal means 8 permit a movement of the respective pinion carriage 5 in a direction extending substantially radially relative to the longitudinal axis of the shaft 2 and also in a direction extending substantially in parallel thereto whereby the pinion carriage may perform yielding movements while simultaneously maintaining its optimal intermeshing contact with the spur gear 3.
  • the rocker arms 8 are preferably constructed as elastically expandable members or in the form of shock absorbers which as such are well known in the art.
  • the rocker means are pivotable about two axes crossing each other at right angles.
  • This type of connection between the rocker arm 8 and the tower container 1 has the advantage that irregularities in the load distribution, peak loads, and the like may be easily compensated by the elastic deformation of the rocker arm and its pivotal movement.
  • Constructing the rocker arms 8 as shock absorbers has the advantage that they can counter-act any danger of oscillatory movements because in this manner the rocker arms 8 act as dampening means for such oscillatory movements.
  • the diffusion tower driven as described above has the advantage that a very smooth drive is accomplished because the intermeshing teeth of the pinion 4 and the spur gear 3 remain in cooperating optimum contact independently of the outer influences or manufacturing tolerances of the spur gear as well as the movements of the transport shafts 2. Further, the driving force transmitted per each teeth is small due to the use of a larger number of individual driving units. Thus, the wear and tear is substantially reduced.
  • a driving mechanism for a diffusion tower for leaching sugar beet cossettes having an upright substantially cylindrical container with a longitudinal axis and a transport shaft extending coaxially to said longitudinal axis through the container in which said shaft is rotatably supported and wherein the drive shaft is provided with transport elements which cooperate with guide blades attached to the inner wall of said container for transporting said sugar beet cossettes through the container, said shaft having an end extending out of said container and a spur gear attached to said shaft end, wherein said spur gear meshes with motor driven pinion gear means, the improvement comprising pinion carriage means for said pinion gear means, double guide means both located radially inwardly of said spur gear, double guide follower means carried by said pinion carriage means for engagement with said double guide means radially inwardly of the spur gear, said double guide means and said double guide follower means cooperating with each other respectively in two different. planes extending substantially at right angles to each other whereby two cooperating guide pairs are formed, supporting means for movably connecting said a
  • said support means comprises an elastically extendible member and pivot means to which said member is connected at one end thereof while its other end is connected to said pinion carriage means, said pivot means permitting the tilting of said member about two axes extending perpendicularly to each'other.
  • said support means comprise an elastically extendible member and a journal shaft to which said member is journaled at one end thereof while its other end is connected to said pinion carriage means, said journal shaft permitting the tilting of said member about said journal shaft and the axial shifting of said member along said journal shaft, whereby the pinion carriage means are tiltable back and forth in a direction extending substantially radially relative to said longitudinal axis of the container and whereby said pinion carriage means are shiftable back and forth in a direction extending substantially in parallel to said longitudinal axis of the container.
  • said support means comprise shock absorber means including an elastically extendable member.
  • cam track follower means comprise roller means which ride along said cam track.
  • a driving mechanism for a diffusion tower for leaching sugar beet cossettes having an upright substantially cylindrical container with a longitudinal axis and a transport shaft extending coaxially with said longitudinal axis through said container, the shaft. being rotatably supported and having transport elements which cooperate with guide blades attached to the inner wall of said container for transporting sugar beet cossettes through said container, an end of said shaft extending out of said container, a spur gear on said end of said shaft, and motor driven pinion gear means mounted to mesh with said spur gear; the improvement comprising guide track means on said spur gear, said guide track means having a first annular surface extending coaxial to said shaft and a second fiat surface extending normal to said shaft, pinion carriage means, guide follower means on said pinion carriage means positioned to engage sid guide track means, motor means, means mounting said motor means on said carriage means for driving said pinion gear means, and support means mounted to movably couple said carriage means to said container.
  • first track means comprises an inner surface on said spur gear and said second track means comprises a fiat surface within said spur gear track accessible from the same side of said spur gear as said first track means, and said guide follower means comprises first and second roller means for engaging said first and second guide means respectively.
  • said support means comprises longitudinally extending journal means mounted on said container, and elastically expandable means coupled between said carriage means and said journal means to permit axial and radial movement of said carriage means.
  • said support means comprises elastically expandable means and means coupling said expandable means between said container and said carriage means, said coupling means comprising longitudinal extending journal means coupled to one end of said expandable means for permitting axial movment of said carriage means.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Gear Transmission (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Harvesting Machines For Root Crops (AREA)
US00278573A 1971-08-10 1972-08-07 Driving mechanism for a diffusion tower Expired - Lifetime US3807250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2139961A DE2139961A1 (de) 1971-08-10 1971-08-10 Diffusionsturm

Publications (1)

Publication Number Publication Date
US3807250A true US3807250A (en) 1974-04-30

Family

ID=5816309

Family Applications (1)

Application Number Title Priority Date Filing Date
US00278573A Expired - Lifetime US3807250A (en) 1971-08-10 1972-08-07 Driving mechanism for a diffusion tower

Country Status (8)

Country Link
US (1) US3807250A (enrdf_load_stackoverflow)
JP (1) JPS4828375A (enrdf_load_stackoverflow)
DE (1) DE2139961A1 (enrdf_load_stackoverflow)
ES (1) ES405559A1 (enrdf_load_stackoverflow)
FR (1) FR2148529A1 (enrdf_load_stackoverflow)
GB (1) GB1350179A (enrdf_load_stackoverflow)
PL (1) PL82007B1 (enrdf_load_stackoverflow)
SU (1) SU467523A3 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070923A (en) * 1975-10-27 1978-01-31 Wgw Westdeutsche Getriebe Und Kupplungswerke Gmbh Multiple pinion concentric drive
US4098139A (en) * 1976-12-15 1978-07-04 Marion Power Shovel Company, Inc. Gear train and method of aligning component gears thereof
US4410173A (en) * 1980-03-18 1983-10-18 Heinr. Wilhelm Huss & Co. Counterbalanced roundabout having plural drives
US5112284A (en) * 1990-12-10 1992-05-12 Zexel-Gleason Usa, Inc. Rocker-mounting for differential gear
US6695157B1 (en) * 2001-05-15 2004-02-24 Liebherr-Werk Nenzing Gmbh Rotary crane
US20100213153A1 (en) * 2009-02-25 2010-08-26 Kaiser Joseph R Swing Drive System For Cranes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5160739A (ja) * 1974-11-22 1976-05-26 Toray Industries Ryutaikaryorisochioryoshitaseibokino itogireshorihoho
DE3063228D1 (en) * 1979-03-27 1983-07-07 Rieter Ag Maschf Travelling control apparatus for successively controlling the operating conditions at each spinning station of a ring spinning machine
JPS5831126A (ja) * 1981-08-11 1983-02-23 Kuraray Co Ltd 紡機の自走式断糸状態検出装置
JPS6348706Y2 (enrdf_load_stackoverflow) * 1987-07-23 1988-12-14
JPH0232702Y2 (enrdf_load_stackoverflow) * 1988-09-26 1990-09-04

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828230A (en) * 1952-01-03 1958-03-25 Heinrich Kurt Vertical counter-current extracting tower
US2876143A (en) * 1956-02-27 1959-03-03 Joseph P Ruth Sugar diffusing apparatus
US2927007A (en) * 1957-04-17 1960-03-01 Braunschweigische Maschb Ansta Apparatus for the treatment of animal and vegetable materials
US2950998A (en) * 1956-03-01 1960-08-30 Chemetron Corp Apparatus for contacting solids with liquids
US3292460A (en) * 1963-10-31 1966-12-20 Simering Graz Pauker Ag Fur Ma Epicyclic gear unit
US3461735A (en) * 1968-01-19 1969-08-19 Francois Durand Devices for driving toothed wheels
US3461734A (en) * 1967-01-30 1969-08-19 Francois Durand Devices for driving an internal gear
US3572150A (en) * 1959-01-27 1971-03-23 Francois Durand Motion transmitting devices

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828230A (en) * 1952-01-03 1958-03-25 Heinrich Kurt Vertical counter-current extracting tower
US2876143A (en) * 1956-02-27 1959-03-03 Joseph P Ruth Sugar diffusing apparatus
US2950998A (en) * 1956-03-01 1960-08-30 Chemetron Corp Apparatus for contacting solids with liquids
US2927007A (en) * 1957-04-17 1960-03-01 Braunschweigische Maschb Ansta Apparatus for the treatment of animal and vegetable materials
US3572150A (en) * 1959-01-27 1971-03-23 Francois Durand Motion transmitting devices
US3292460A (en) * 1963-10-31 1966-12-20 Simering Graz Pauker Ag Fur Ma Epicyclic gear unit
US3461734A (en) * 1967-01-30 1969-08-19 Francois Durand Devices for driving an internal gear
US3461735A (en) * 1968-01-19 1969-08-19 Francois Durand Devices for driving toothed wheels

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070923A (en) * 1975-10-27 1978-01-31 Wgw Westdeutsche Getriebe Und Kupplungswerke Gmbh Multiple pinion concentric drive
US4098139A (en) * 1976-12-15 1978-07-04 Marion Power Shovel Company, Inc. Gear train and method of aligning component gears thereof
US4410173A (en) * 1980-03-18 1983-10-18 Heinr. Wilhelm Huss & Co. Counterbalanced roundabout having plural drives
US5112284A (en) * 1990-12-10 1992-05-12 Zexel-Gleason Usa, Inc. Rocker-mounting for differential gear
US6695157B1 (en) * 2001-05-15 2004-02-24 Liebherr-Werk Nenzing Gmbh Rotary crane
US20100213153A1 (en) * 2009-02-25 2010-08-26 Kaiser Joseph R Swing Drive System For Cranes
US8573419B2 (en) * 2009-02-25 2013-11-05 Manitowoc Crane Companies, Llc Swing drive system for cranes

Also Published As

Publication number Publication date
DE2139961A1 (de) 1973-03-01
ES405559A1 (es) 1975-08-16
SU467523A3 (ru) 1975-04-15
FR2148529A1 (enrdf_load_stackoverflow) 1973-03-23
PL82007B1 (enrdf_load_stackoverflow) 1975-10-31
JPS4828375A (enrdf_load_stackoverflow) 1973-04-14
GB1350179A (en) 1974-04-18

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