EP3159060B1 - Vertikales walzwerk - Google Patents

Vertikales walzwerk Download PDF

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Publication number
EP3159060B1
EP3159060B1 EP14895412.6A EP14895412A EP3159060B1 EP 3159060 B1 EP3159060 B1 EP 3159060B1 EP 14895412 A EP14895412 A EP 14895412A EP 3159060 B1 EP3159060 B1 EP 3159060B1
Authority
EP
European Patent Office
Prior art keywords
output flange
roller mill
rotary table
vertical roller
thrust bearing
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.)
Active
Application number
EP14895412.6A
Other languages
English (en)
French (fr)
Other versions
EP3159060A1 (de
EP3159060A4 (de
Inventor
Nobuo TOKIOKA
Fuminori Ando
Akira Endo
Shigeru Hotta
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of EP3159060A1 publication Critical patent/EP3159060A1/de
Publication of EP3159060A4 publication Critical patent/EP3159060A4/de
Application granted granted Critical
Publication of EP3159060B1 publication Critical patent/EP3159060B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007—Mills with rollers pressed against a rotary horizontal disc

Definitions

  • the present invention relates to a vertical roller mill in which materials to be ground are bitten between a rotary table and a grinding roller so as to grind the materials.
  • a vertical roller mill in which materials (materials to be ground) are bitten between a plurality of grinding rollers and a rotary table so as to grind the materials, has been used for producing concrete aggregate, and the like.
  • Patent Literature 1 discloses a vertical roller mill for responding to the enlarged devices.
  • a rotary table and a reduction gear are largely separated in the vertical direction corresponding to enlargement of the mill and also the rotary table and the reduction gear are connected by a vertical transmission shaft.
  • a thrust bearing mechanism for slidably supporting the rotary table from below is configured integrally with the reduction gear.
  • Patent Literature 2 describes a bowl-type grinding apparatus with two grinding rolls mounted at a roll carrier, wherein a grinding bowl is rotatably mounted below the roll carrier on an axial thrust bearing for rotation about a substantially vertical axis.
  • Patent Literature 3 describes a ball or grindstone crusher comprising a frame including a support and a table mounted on the frame support for rotation about a vertical axis, and a table having arranged thereon an annular track and the frame support extending in a plane below the annular track.
  • Patent Literature 4 describes a roller mill for continuously cutting coarse powder strayed into during finely classifying of a product by making easy an inspection and repair operation of a classifier mounted on a roller mill.
  • the thrust bearing mechanism cannot be withdrawn up to a working area together with the reduction gear so as to perform maintenance and replacement works unlike the conventional thrust bearing mechanism integrated with the reduction gear. Therefore, the problem is how to perform maintenance and replacement works on the thrust bearing mechanism separated from the reduction gear, wherein the maintenance and replacement works on the thrust bearing mechanism become more difficult than before, partly because installation areas for a plurality of thrust bearing mechanisms become larger corresponding to enlargement of the mill, in particular enlargement of the table.
  • the present invention has been made in view of the above-mentioned problem of the conventional art, and aims to provide a vertical roller mill capable of preventing an axis deviation of the rotary table upon rotation even when the mill is enlarged.
  • the present invention aims to provide a vertical roller mill capable of performing maintenance and replacement works on the thrust bearing mechanism without problems even when the mill is enlarged.
  • a first aspect of the present invention is a vertical roller mill in which a material to be ground is bitten between a rotary table and a grinding roller so as to grind the material, comprising: a reduction gear arranged below the rotary table; a vertical transmission shaft for transmitting a driving force from the reduction gear to the rotary table ; an output flange to which an upper end of the vertical transmission shaft is connected at a center portion of the output flange, the output flange configuring a bottom surface of the rotary table; a thrust bearing mechanism for slidably supporting a peripheral portion of the output flange from below; and a radial bearing mechanism for restricting a movement of the output flange in a radial direction, wherein the radial bearing mechanism has a movable side bearing member provided to the output flange; a fixed side bearing member provided to a structure on which the thrust bearing mechanism is placed; and a bearing body provided between the movable side bearing member and the fixed side
  • the movable side bearing member includes a cylindrical member provided to a center portion of a bottom surface of the output flange, and the fixed side bearing member includes an annular member in which a center opening is formed, through which the cylindrical member is inserted.
  • the bearing body is a sliding bearing.
  • the rotary table has a hollow structure, and the working opening communicates with an inner space of the rotary table.
  • a table cover is provided radially inward an annular grinding surface of the rotary table, and a working opening through which an operator enters the inner space of the rotary table is formed in the table cover.
  • the working opening formed in the output flange and the working opening formed in the table cover at least partially overlap each other viewed from a vertical direction.
  • the vertical roller mill has a door member for openably sealing the working opening.
  • a movement of the thrust bearing mechanism upon operation is restricted by a pin member which is provided detachably to the structure on which the thrust bearing mechanism is placed, and the thrust bearing mechanism can be moved inside in a radial direction by removing the pin member from the structure.
  • the upper end of the vertical transmission shaft is connected to the center portion of the output flange via a coupling mechanism.
  • the vertical roller mill further has a height adjusting means for adjusting a height of the thrust bearing mechanism.
  • an axis deviation of the rotary table upon rotation can be prevented even when the mill is enlarged.
  • a vertical roller mill 1 includes a rotary table 2 having a top surface to which raw materials (materials to be ground) are supplied.
  • Six grinding rollers 3 are provided around the rotary table 2, where the materials are bitten between the rotary table 2 and themselves so as to grind the materials.
  • the six grinding rollers 3 are arranged on a vertical circumference centering on the pivot axis of the rotary table 2 at regular angular intervals (60 degrees).
  • the grinding roller 3 is pressed against the rotary table 2 by a roller pressing mechanism 4.
  • the roller pressing mechanism 4 includes a first arm 5 which is provided with the grinding roller 3 at its tip end portion, and a second arm 6 which has a tip end portion connected to a proximal end portion of this first arm 5.
  • a tip end portion of a driving shaft (cylinder pin, for example) 8 of a pressure driving portion (hydraulic cylinder, for example) 7 is connected to a proximal end portion of the second arm 6.
  • the grinding roller 3 is pressed against the rotary table 2 via the first arm 5 and the second arm 6 by pulling in the driving shaft 8 of the pressure driving portion 7.
  • a rotary driving source 10 and a reduction gear 11 for the rotary table 2 are installed on a mill installation surface 9, and the rotary driving source 10 and the reduction gear 11 are connected by a horizontal connection shaft 12. Additionally, the reduction gear 11 and the rotary table 2 are connected by a vertical transmission shaft 13.
  • the rotary table 2 and the grinding roller 3 are covered by a mill casing 14.
  • Raw materials are supplied to the rotary table 2 through a raw martial supply chute 15 which is arranged such that it passes through the mill casing 14.
  • a dried air duct 16 is connected to a side lower portion of the mill casing 14, and dried air is supplied to an inside of the mill casing 14 through this dried air duct 16.
  • a separator 17 is provided above the rotary table 2. Ground raw materials are blown up by the dried air which is supplied to the lower portion of the mill casing 14 through the dried air duct 16 and are transferred to the separator 17.
  • the separator 17 is rotationally driven by a separator driving device 28 which is composed of an electric machinery and the like, and, among the ground raw materials, only raw materials (refined grain) whose granularity (grain size) is smaller than a prescribed granularity are discharged from a refined grain product discharge duct 18 which is provided to an upper portion of the mill casing 14.
  • a separator driving device 28 which is composed of an electric machinery and the like
  • raw materials (refined grain) whose granularity (grain size) is smaller than a prescribed granularity are discharged from a refined grain product discharge duct 18 which is provided to an upper portion of the mill casing 14.
  • raw materials (coarse grain) whose granularity (grain size) is larger than the prescribed granularity are separated by the separator 17 and returned to the rotary table 2 so as to be ground again.
  • a maintenance passage 19 is formed for passing the reduction gear 11 under the grinding roller 3 and its pressing mechanism 4 so as to pull out the reduction gear 11. More specifically, the maintenance passage 19 is formed through a concrete stand portion 20 which supports the roller pressing mechanism 4 and the like.
  • the concrete stand portion 20 includes two stand leg portions 20A which are provided on both sides of the maintenance passage 19 which is positioned therebetween, and a connecting portion 20B which connects the upper ends of these two stand leg portions 20A so as to form a ceiling section of the maintenance passage 19.
  • This configuration secures a maintenance passage even if the number of the grinding roller 3 and its pressing mechanisms 4 increases.
  • the rotary table 2 has a hollow structure as illustrated in FIG. 3 .
  • a table cover 22 is detachably provided to a radial inside of an annular grinding surface 21 of the rotary table 2.
  • a bottom surface of the rotary table 2 is configured by an output flange 23, and an upper end of the vertical transmission shaft 13 is connected to a center portion of the output flange 23 via a coupling 24. Connecting the vertical transmission shaft 13 and the output flange 23 via the coupling 24 allows displacement (axis deviation) of the vertical transmission shaft 13 relative to the output flange 23 to some extent upon rotation.
  • a lower end of the vertical transmission shaft 13 is connected to an output shaft 25 of the reduction gear 11 via a coupling 26. Connecting the vertical transmission shaft 13 and the output shaft 25 of the reduction gear 11 via the coupling 26 allows displacement (axis deviation) of the vertical transmission shaft 13 relative to the output shaft 25 of the reduction gear 11 to some extent upon rotation.
  • a plurality of thrust bearing mechanisms 27 are arranged at regular angular intervals in the circumferential direction for slidably supporting a peripheral portion of the output flange 23 from below.
  • the thrust bearing mechanism 27 is placed on a placement surface 29 of a frame section (structure) 28.
  • High-pressure oil is supplied to a bearing surface 30 of the thrust bearing mechanism 27 through an oil supply pipe 31.
  • An oil stop member 32 is detachably provided in the vicinity of the thrust bearing mechanism 27.
  • the high-pressure oil supplied to the bearing surface 30 through the oil supply pipe 31 is stored in a space which is formed by structures (including the oil stop member 32) surrounding the thrust bearing mechanism 27. Height of the oil stop member 32 is set such that a liquid level of the stored oil is higher than the bearing surface 30 of the thrust bearing mechanism 27.
  • the thrust bearing mechanism 27 is placed on a pedestal 33 which is placed on the placement surface 29 of the frame section 28 via a height adjusting member (height adjusting means) 34.
  • the height adjusting member 34 is a plate liner, and the height of the thrust bearing mechanism 27, namely the height of the bearing surface 30 can be adjusted by adjusting the thickness of the height adjusting member 34.
  • a pin member 35 is detachably provided adjacent to the pedestal 33, and movement of the pedestal 33 during operation is restricted by the pin member 35. Removing the pin member 35 from the placement surface 29 enables the pedestal 33 and the thrust bearing mechanism 27 placed thereon to move at least in the radially inward direction of the rotary table 2.
  • a movable side sealing member 36 is provided to a peripheral portion of the output flange 23, and this movable side sealing member 36 cooperates with a fixed side sealing member 37, which is provided to a structure on the fixed side, so as to serves a sealing function
  • the vertical roller mill 1 includes a radial bearing mechanism 38 for restricting radial movement of the output flange 23, as illustrated in FIG. 3 .
  • the radial bearing mechanism 38 has a movable side bearing member 39 which is provided to the output flange 23, a fixed side bearing member 40 which is provided to the frame section 28 on which the thrust bearing mechanism 27 is placed, and a bearing body 41 which is provided between the movable side bearing member 39 and the fixed side bearing member 40.
  • the bearing body 41 is constituted by a sliding bearing.
  • the movable side bearing member 39 includes a cylindrical member which is provided to a center portion of the bottom surface of the output flange 23.
  • the fixed side bearing member 40 includes an annular member in which a center opening is formed, through which the cylindrical member configuring the movable side bearing member 39 is inserted.
  • the movable side bearing member 39 may be or not may be integral with the output flange, and it may be coupled to the output flange using bolts or the like.
  • a working space 42 is formed between the output flange 23 and the fixed side bearing member 40.
  • a working opening (manhole) 44 is formed, through which an operator enters the working space 42 from an inner space 43 of the rotary table 2.
  • the working opening 44 is usually sealed by an openable door member 45.
  • a working opening (manhole) 46 is formed, through which an operator enters the inner space 43 of the rotary table 2.
  • the working opening 46 is usually sealed by an openable door member 47.
  • the working opening 44 formed in the output flange 23 and the working opening 46 formed in the table cover 22 at least partially overlap each other viewed from the vertical direction (rotation axis direction).
  • an axis deviation of the output flange 23 upon rotation is restricted by the radial bearing mechanism 38.
  • an axis deviation of the rotary table 2 upon rotation is restricted. Accordingly, radial force applied to the table, which is generated by a roller load in an unusual state, can be supported by this section, and also breakage of the movable side sealing member 36 and the fixed side sealing member 37 due to the axis deviation of the output flange 23 can be prevented.
  • an operator when performing maintenance or replacement works on the thrust bearing mechanism 27 in the vertical roller mill 1 according to this embodiment, in a state that oil around the thrust bearing mechanism 27 is previously extracted, an operator opens the door member 47 of the table cover 22 and enters the inner space 43 of the rotary table 2 from the working opening 46, and further opens the door member 45 of the output flange 23 and enters the working space 42 from the working opening 44.
  • the operator After entering the working space 42, the operator removes the oil stop member 32 so as to secure accessibility to the thrust bearing mechanism 27.
  • the thrust bearing mechanism 27 should be replaced in a state that the rotary table 2 is lifted a little previously using a hydraulic jack or the like. This allows the output flange 23 and the thrust bearing mechanism 27 to be separated from each other, and therefore the load on the thrust bearing mechanism 27 from the output flange 23 can be eliminated.
  • the operator removes the pin member 35 from the pedestal 33, thereby enabling the thrust bearing mechanism 27 to be drawn inside in the radial direction.
  • the thrust bearing mechanism 27 is drawn inside in the radial direction using a suitable means and is moved to immediate below the working opening 44 of the output flange 23.
  • the working opening 46 of the table cover 22 is arranged immediate above the working opening 44 of the output flange 23, and the thrust bearing mechanism 27 is hoisted and taken out through these working openings 44, 46 using a suitable means.
  • the thrust bearing mechanism 27 When installing a new thrust bearing mechanism 27, in the reverse procedure of the above-mentioned procedure, the thrust bearing mechanism 27 is hoisted down to the working space 42 through the working openings 44, 46 and placed on the fixed side bearing member 40 temporarily, and further moved outside in the radial direction. Next, the height of the thrust bearing mechanism 27 is adjusted by the height adjusting member 34, and also the thrust bearing mechanism 27 is fixed by the pin member 35 in a prescribed position.
  • the operator can access the thrust bearing mechanism 27 by utilizing the working openings 44, 46, the working space 42, and the inner space 43, and also replacement works and maintenance works of the thrust bearing mechanism 27 can be performed without any trouble since the thrust bearing mechanism 27 can be carried in and carried out.
  • the operator can accurately perform the height adjusting work using the height adjusting member 34 on site while measuring a small gap between the thrust bearing mechanism 27 and the output flange 23 in the working space 42.
  • the output flange 23 can be lightened, since the working opening 44 is formed in the output flange 23, thereby reducing the weight of the output flange 23 by the removed material.
  • the four working openings 44 are formed in the output flange 23 in the circumferential direction at regular angular intervals, form of the working opening 44 is not limited to this, and any form will do so long as it enables entry of the operator and carry-in/carry-out of the thrust bearing material 27.
  • this embodiment has a configuration that six grinding rollers are arranged, the number of installed grinding rollers of a vertical roller mill according to the present invention is not limited to this, and more or less grinding rollers may be installed.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Claims (10)

  1. Vertikales Walzwerk (1), das mit einem Drehtisch (2) und einer Mahlwalze (3), in der ein zu mahlendes Material zwischen diesen in Eingriff gelangt, um das Material zu mahlen, aufweisend:
    ein Untersetzungsgetriebe (1), das unterhalb des Drehtisches (2) angeordnet ist;
    eine vertikale Übertragungswelle (13) zur Übertragung einer Antriebskraft von dem Untersetzungsgetriebe (11) an den Drehtisch (2);
    einen Ausgangsflansch (23), mit dem ein oberes Ende der vertikalen Übertragungswelle (13) an einem mittleren Abschnitt des Ausgangsflansches (23) verbunden ist, wobei der Ausgangsflansch (23) eine Bodenfläche des Drehtisches (2) konfiguriert;
    einen Axiallagermechanismus (27) zum gleitenden Lagern eines Umfangsabschnitts des Ausgangsflansches (23) von unten,
    einen Radiallagermechanismus (38) zur Einschränkung einer Bewegung des Ausgangsflansches (23) in einer Radialrichtung,
    dadurch gekennzeichnet, dass
    der Radiallagermechanismus (38) ein bewegbares Seitenlagerelement (39), das an dem Ausgangsflansch (23) vorgesehen ist; ein fixiertes Seitenlagerelement (40), das an einer Struktur vorgesehen ist, auf der der Axiallagermechanismus (27) platziert ist; und einen Lagerkörper (41), der zwischen dem bewegbaren Seitenlagerelement (39) und dem fixierten Seitenlagerelement (40) vorgesehen ist, aufweist,
    wobei ein Arbeitsraum (42) zwischen dem Ausgangsflansch (23) und dem fixierten Seitenlagerelement (40) gebildet ist, und
    wobei eine Arbeitsöffnung (44), die mit dem Arbeitsraum (42) kommuniziert, in dem Ausgangsflansch (23) gebildet ist.
  2. Vertikales Walzwerk (1) nach Anspruch 1,
    wobei das bewegbare Seitenlagerelement (39) ein zylindrisches Element aufweist, das an einem mittleren Abschnitt einer Bodenfläche des Ausgangsflansches (23) vorgesehen ist, und
    wobei das fixierte Seitenlagerelement (40) ein ringförmiges Element aufweist, in dem eine mittige Öffnung (44) gebildet ist, durch die das zylindrische Element eingeführt wird.
  3. Vertikales Walzwerk (1) nach Anspruch 1 oder Anspruch 2, wobei der Lagerkörper (41) ein Gleitlager ist.
  4. Vertikales Walzwerk (1) nach einem der Ansprüche 1 bis 3,
    wobei der Drehtisch (2) eine Hohlstruktur aufweist, und
    wobei die Arbeitsöffnung (44) mit einem Innenraum (43) des Drehtischs (2) kommuniziert.
  5. Vertikales Walzwerk (1) nach Anspruch 4,
    wobei eine Tischabdeckung (22) radial innerhalb einer ringförmigen Schleiffläche des Drehtisches (2) vorgesehen ist, und
    wobei eine Arbeitsöffnung (44), durch die ein Bediener in den Innenraum (42) des Drehtischs (2) gelangt, in der Tischabdeckung (22) gebildet ist.
  6. Vertikales Walzwerk (1) nach Anspruch 5, wobei die Arbeitsöffnung (44), die in dem Ausgangsflansch (23) gebildet ist, und die Arbeitsöffnung (44), die in der Tischabdeckung (22) gebildet ist, einander aus vertikaler Richtung betrachtet zumindest teilweise überlappen.
  7. Vertikales Walzwerk (1) nach einem der Ansprüche 1 bis 6, mit einem Türelement (47) zum öffenbaren Abdichten der Arbeitsöffnung (44).
  8. Vertikales Walzwerk (1) nach einem der Ansprüche 1 bis 7,
    wobei eine Bewegung des Axiallagermechanismus (27) bei Betrieb durch ein Stiftelement (35) beschränkt wird, das lösbar an der Struktur vorgesehen ist, an der der Axiallagermechanismus (27) platziert ist, und
    wobei der Axiallagermechanismus (27) nach innen in einer Radialrichtung bewegt werden kann, indem das Stiftelement (35) aus der Struktur entnommen wird.
  9. Vertikales Walzwerk (1) nach einem der Ansprüche 1 bis 8, wobei das obere Ende der vertikalen Übertragungswelle (13) mit dem mittleren Abschnitt des Ausgangsflanschs (23) über einen Kopplungsmechanismus verbunden ist.
  10. Vertikales Walzwerk (1) nach einem der Ansprüche 1 bis 9, ferner aufweisend eine Höhenverstelleinrichtung (34) zum Verstellen einer Höhe des Axiallagermechanismus (27).
EP14895412.6A 2014-06-17 2014-06-17 Vertikales walzwerk Active EP3159060B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/065972 WO2015193959A1 (ja) 2014-06-17 2014-06-17 竪型ローラミル

Publications (3)

Publication Number Publication Date
EP3159060A1 EP3159060A1 (de) 2017-04-26
EP3159060A4 EP3159060A4 (de) 2018-01-24
EP3159060B1 true EP3159060B1 (de) 2021-05-12

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EP14895412.6A Active EP3159060B1 (de) 2014-06-17 2014-06-17 Vertikales walzwerk

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EP (1) EP3159060B1 (de)
JP (1) JP6367330B2 (de)
CN (1) CN106457257B (de)
WO (1) WO2015193959A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109499732B (zh) * 2019-01-15 2023-12-05 中冶沈勘秦皇岛工程设计研究总院有限公司 高压辊磨工艺厂房
CN115229595B (zh) * 2022-06-27 2024-05-10 安徽泫氏铸造有限责任公司 一种球墨铸铁管承口旋转式打磨装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528256A (en) * 1976-05-12 1978-10-11 Smidth & Co As F L Roller mills
DE2703535C2 (de) * 1977-01-28 1986-07-10 Loesche GmbH, 4000 Düsseldorf Wälzmühle
DK160463C (da) * 1977-12-13 1991-09-09 Fives Cail Babcock Knusevaerk, saasom kantmoelle med lodret aksel
CH658801A5 (de) * 1982-10-29 1986-12-15 Maag Zahnraeder & Maschinen Ag Walzenschuesselmuehle.
JPH0528515Y2 (de) * 1986-11-26 1993-07-22
CH672603A5 (de) * 1987-04-09 1989-12-15 Maag Zahnraeder & Maschinen Ag
JPH062747Y2 (ja) * 1987-06-08 1994-01-26 石川島播磨重工業株式会社 竪型ミルの回転テ−ブル駆動装置
JPH0567334U (ja) * 1992-02-20 1993-09-07 株式会社神戸製鋼所 立形ローラミルのスラスト荷重受け装置
JP2956879B2 (ja) * 1994-08-26 1999-10-04 宇部興産株式会社 竪型粉砕機用減速機の分解点検整備方法
JP3309585B2 (ja) * 1994-09-20 2002-07-29 株式会社日立製作所 ミル用減速機及びこの減速機を備えたミル
JP2001009303A (ja) * 1999-06-28 2001-01-16 Babcock Hitachi Kk ローラミル
CN201253584Y (zh) * 2008-07-30 2009-06-10 宁波东力机械制造有限公司 立磨行星齿轮减速器的自由调整补偿装置

Also Published As

Publication number Publication date
EP3159060A1 (de) 2017-04-26
CN106457257A (zh) 2017-02-22
EP3159060A4 (de) 2018-01-24
CN106457257B (zh) 2019-02-12
WO2015193959A1 (ja) 2015-12-23
JPWO2015193959A1 (ja) 2017-04-20
JP6367330B2 (ja) 2018-08-01

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